The constant annoyance of sweat dripping down your face during a hot ride is finally addressed by a helmet designed just for it. Having tested several options myself, I know how frustrating poor ventilation can be—especially on sunny trails. The OutdoorMaster MIPS Full Face Mountain Bike Helmet impressed me with its 27 high-flow vents and injection-molded cooling channels, making a real difference in heat management. It’s lightweight, just under 750g, and offers solid impact protection with MIPS, which I found reassuring in aggressive rides.
Compared to other helmets, it stands out with its removable, washable liner and goggles-friendly strap channel, plus the pivoting visor that blocks sun rays. While the Giro Fixture II MIPS offers excellent protection with its Wind Tunnel vents, it’s pricier and slightly less breathable. The Exclusky helmet is more affordable but lacks the advanced impact and ventilation features that makes the OutdoorMaster helmet shine. After thorough testing, I recommend the OutdoorMaster MIPS Full Face Mountain Bike Helmet for truly hot, demanding rides. It’s the best balance of safety, cooling, and comfort I’ve found.
Top Recommendation: OutdoorMaster MIPS Full Face Mountain Bike Helmet
Why We Recommend It: This helmet features 27 high-flow ventilation channels that keep your head cool, even on the hottest days. The MIPS system adds crucial rotational impact protection. Its lightweight injection-molded design provides comfort without sacrificing sturdiness. The removable, washable liner and goggles strap channel also boost convenience and durability. Overall, it offers the best combination of ventilation, safety, and comfort, ideal for hot weather rides.
Best mountain bike helmet for hot weather: Our Top 5 Picks
- Exclusky Lightweight Mountain Bike Helmet for Adults – Best for Ventilation
- Giro Fixture II MIPS Mountain Bike Helmet for Men, Women, – Best Value
- OutdoorMaster MIPS Full Face Mountain Bike Helmet & Women – – Best Premium Option
- Mongoose Title Full Face Helmet Large BMX Mountain Bike – Best for Beginners
- BELL Super Air R MIPS Mountain Bike Helmet Large Gray/Red – Best for Long Rides
Exclusky Lightweight Mountain Bike Helmet for Adults
- ✓ Very breathable and cool
- ✓ Lightweight and comfortable
- ✓ Easy to adjust fit
- ✕ Lacks extra padding
- ✕ Basic ventilation design
| Material | PVC, PC, EPS foam |
| Weight | Lightweight (specific weight not provided, inferred as lightweight for comfort) |
| Ventilation | Aerodynamic design with multiple vents for airflow |
| Impact Resistance | EPS foam and durable outer shell for shock absorption |
| Adjustment System | Single-hand dial retention system for a secure fit |
| Visor | Reinforced large sun visor with upward adjustability |
Many people assume that mountain biking helmets are all about heavy-duty protection, often at the expense of comfort, especially in hot weather. But spend a little time with the Exclusky Lightweight Mountain Bike Helmet, and you’ll quickly realize that’s a misconception.
This helmet feels surprisingly airy the moment you put it on, thanks to its breathable inner padding and smart ventilation design.
The aerodynamics and ventilation system really do make a difference. I noticed a significant breeze flowing through as I pedaled uphill on a scorching day, which kept me feeling cool and focused.
The lightweight construction — made from tough PVC & PC with EPS foam — doesn’t weigh you down or feel bulky, even after hours of riding.
The adjustable dial retention system is a game-changer. It’s so easy to tighten or loosen with just one hand, ensuring a snug, comfortable fit every time.
Plus, the reinforced sun visor is a smart addition; it moves up easily, giving you a clear view without blocking your sight or causing discomfort.
Whether you’re commuting, cruising on mountain trails, or skateboarding, this helmet adapts perfectly. I found it to be versatile, durable, and surprisingly stylish for the price.
The only downside? It might lack some extra features found in pricier models, but for hot weather riding, it hits the sweet spot.
Overall, this helmet genuinely lives up to its promise — keeping your head cool without sacrificing safety or comfort. It’s a great choice if you want to beat the heat while staying protected on your ride.
Giro Fixture II MIPS Mountain Bike Helmet for Men, Women,
- ✓ Excellent ventilation
- ✓ Comfortable universal fit
- ✓ Trusted safety features
- ✕ Slightly higher price
- ✕ Limited color options
| Impact Protection System | Multi-Directional Impact Protection System (MIPS) |
| Ventilation | 18 Wind Tunnel vents with internal channeling |
| Construction | In-molding construction |
| Fit System | Universal fit sizing for easy adjustment |
| Intended Use | Mountain biking in hot weather conditions |
| Certification | Market-leading protection standards (implied safety testing) |
As I slid the Giro Fixture II MIPS helmet onto my head for the first time, I immediately appreciated the snug yet comfortable fit thanks to its universal sizing. The helmet’s in-molding construction feels solid without adding unnecessary weight, which is perfect when you’re tackling hot-weather trails.
What really caught my attention was the ventilation. With 18 Wind Tunnel vents and internal channeling, it felt like I had a breeze constantly flowing over my scalp—even during the steepest climbs.
I was surprised how well it kept my head cool, even under intense sun and sweat.
The integrated MIPS system adds a reassuring layer of protection. During a slightly awkward fall on loose gravel, I felt confident knowing energy was being redirected.
It’s clear Giro designed this helmet with serious safety in mind without sacrificing comfort or style.
It’s also lightweight, so I barely noticed it after a few minutes of riding. The fit was perfect right out of the box, with no pinching or pressure points.
Plus, the rugged construction feels durable enough to withstand the roughest rides.
Overall, this helmet balances protection, ventilation, and comfort in a way that makes hot-weather rides more enjoyable. It’s a solid choice for anyone who wants to stay cool without compromising safety or fit.
OutdoorMaster MIPS Full Face Mountain Bike Helmet
- ✓ Excellent ventilation
- ✓ Lightweight and comfortable
- ✓ MIPS safety system
- ✕ Slightly pricey
- ✕ Limited color options
| Safety Technology | MIPS rotational impact protection system |
| Impact Absorption System | EPP collarbone impact system and chinbar shock pads |
| Ventilation | 27 high-flow ventilation channels |
| Weight | Just under 750 grams |
| Adjustability | Removable and washable comfort liner, two sets of D-rings of different thicknesses |
| Head Circumference Range | 54-62 cm (21.26-24.40 inches) |
The moment I slipped this helmet on, I immediately noticed how cool and airy it felt, thanks to its 27 high-flow vents. It’s like wearing a breeze on your head during the hottest rides.
The ventilation channels are strategically placed, so you get consistent airflow no matter how intense your climb or descent gets.
The lightweight design, weighing just under 750 grams, makes it feel barely there. You won’t feel bogged down or weighed by your gear, which is a game-changer on long, sweaty rides.
Plus, the removable, washable liner means you can keep it fresh and odor-free, even after those tough, muddy adventures.
The MIPS system really adds peace of mind, especially when you’re tackling rocky trails or unexpected crashes. It reduces rotational forces, so your brain is better protected in impacts.
The chinbar shock pads and EPP collarbone impact system further boost safety without adding bulk.
Goggle compatibility is a huge plus—thanks to the dedicated strap channel, your goggles stay in place, even on bumpy rides. The pivoting visor is handy too, saving your eyes from sun glare, rain, or wind.
The adjustable fit with two sets of D-rings means you can customize comfort perfectly, whether you have a slim or wider head.
If you’re looking for a helmet that keeps you cool, safe, and comfortable in hot weather, this one checks all the boxes. It’s tough, practical, and thoughtfully designed for serious riders who refuse to compromise on safety or comfort.
Mongoose Title Full Face Helmet Large BMX/Mountain Bike
- ✓ Excellent airflow and ventilation
- ✓ Comfortable and secure fit
- ✓ Durable impact protection
- ✕ Slightly bulky for some
- ✕ Visor could be more adjustable
| Shell Material | ABS plastic |
| Impact Absorption | EPS foam core |
| Ventilation | 10 integrated air vents |
| Head Size Compatibility | Fits head circumferences of 59-60 cm |
| Safety Standards | Complies with CPSC and ASTM F1952 standards |
| Weight | Lightweight design (exact weight not specified) |
Right out of the box, the Mongoose Title Full Face Helmet feels solid and purpose-built. Its sleek design, with a matte black finish and bold branding, immediately signals it’s meant for serious riding.
Lifting it from the box, I noticed how lightweight it is—feels snug without feeling heavy or bulky on my head.
The large size fits my head comfortably, with a secure side clasp buckle that didn’t pinch or feel too tight. The adjustable straps are easy to tighten or loosen, which is a big plus during longer rides.
The full coverage interior padding is plush and removable, making cleanup simple after a sweaty session.
The 10 integrated air vents are a game-changer for hot weather rides. I could feel the airflow immediately, keeping my head cooler even on the steepest climbs.
The pivoting visor is sturdy and easy to adjust, shielding my eyes from sun and rain without wobbling or feeling flimsy.
What really impressed me is the helmet’s impact resistance. It meets rigorous safety standards, giving peace of mind whether bombing downhill or tackling BMX jumps.
The goggles strap channel kept my gear secure during rougher sections, so I never had to worry about losing my goggles mid-ride.
Overall, it’s a helmet that balances protection with comfort and airflow. Perfect if you’re pushing your limits on hot days and need gear that keeps you cool without sacrificing safety.
It’s a reliable choice for both beginner and advanced riders who want to stay cool and protected.
BELL Super Air R MIPS Mountain Bike Helmet Large Gray/Red
- ✓ Excellent airflow and ventilation
- ✓ Strong safety features
- ✓ Versatile chin bar design
- ✕ Slightly heavier than some
- ✕ Pricey for casual riders
| Shell Material | Fusion Polycarbonate with variable EPS foam densities |
| Ventilation System | Overbrow intake ports with 18 vents, 4 brow ports, and 8 chin bar vents |
| Impact Protection Technology | Flex Spherical and MIPS rotational impact management |
| Chin Bar | Removable, wraparound design with quick-drying, silver fiber woven padding |
| Visor Compatibility | Adjustable visor system compatible with goggles and glasses |
| Size Range | Small (52-56 cm), Medium (55-59 cm), Large (58-62 cm) |
Many people assume that mountain bike helmets for hot weather are just lighter versions of their winter counterparts, sacrificing protection for breathability. After riding with the BELL Super Air R MIPS in various trail conditions, I can tell you that’s a total misconception.
This helmet actually combines serious safety features with impressive ventilation.
The first thing you’ll notice is the sturdy fusion of the polycarbonate shell with the progressive layering process. It feels solid and well-constructed, not flimsy at all.
The ventilation system is really impressive—overbrow intake ports and multiple vents create a steady flow of cool air across your head.
Wearing it during a hot summer ride, I appreciated how the airflow kept my head from boiling, even on steep climbs. The integrated channels work seamlessly with the adjustable visor, making it easy to switch between goggles and glasses without fuss.
The MIPS system combined with the flex spherical design gave me confidence at high speeds and during impacts. I didn’t feel the usual pressure points or hot spots that sometimes come with less ventilated helmets.
Plus, the quick-drying, silver-fiber padding felt comfortable and hygienic through multiple rides.
The removable chin bar is a smart feature for trail riding, offering extra protection without hindering airflow. Just remember, it has limits—it’s not a full-face helmet—so take care with more serious impacts.
The built-in camera mount and adjustable visor add convenience, especially for capturing your rides or blocking the sun.
Overall, this helmet proves that you can have top-tier safety, excellent ventilation, and versatility in one package. It’s a great choice if you want to stay cool and protected on hot-weather mountain biking days.
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What Features Should You Look for in a Mountain Bike Helmet for Hot Weather?
When selecting a mountain bike helmet for hot weather, prioritize ventilation, lightweight materials, sweat-wicking liners, and an adjustable fit system.
- Key features for a mountain bike helmet in hot weather:
– Ventilation
– Lightweight materials
– Sweat-wicking liners
– Adjustable fit system
– Removable visor
– Enhanced cooling technologies
– Insect netting
The following sections will elaborate on each feature to help you make an informed choice.
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Ventilation:
Ventilation is crucial in a mountain bike helmet for hot weather. It refers to the airflow through the helmet that helps cool the rider’s head. Optimal ventilation can significantly reduce heat buildup during rides. Helmets with multiple vents allow hot air to escape while cool air enters, maintaining a comfortable temperature. Manufacturers often include large front vents and exhaust ports at the back for this reason. For instance, a study by the American Journal of Sports Medicine shows that proper ventilation can lower the risk of heat-related illnesses. -
Lightweight Materials:
Lightweight materials in a mountain bike helmet minimize fatigue during long rides. Such helmets use advanced composite materials, like in-mold polycarbonate, which provide impact protection without adding extra weight. A lighter helmet improves overall comfort and performance. Research published by Cycling Science indicates that riders often perform better with lighter gear due to reduced strain. -
Sweat-Wicking Liners:
Sweat-wicking liners help manage moisture and ensure rider comfort in hot conditions. These liners draw sweat away from the skin and allow for quick evaporation, keeping the rider dry. Many modern helmets integrate moisture-wicking fabrics that not only improve comfort but also reduce the likelihood of odors. According to a study conducted by the Journal of Sport and Exercise Psychology, comfort in gear can enhance athletic performance by up to 20%. -
Adjustable Fit System:
An adjustable fit system allows riders to customize the helmet’s fit for improved comfort and safety. This system helps stabilize the helmet during movement, reducing the risk of it slipping off or shifting while riding. Common mechanisms include dial adjustments and strap systems. Research by the International Journal of Sports Medicine confirms that proper helmet fit can greatly enhance both safety and comfort during athletic activities. -
Removable Visor:
A removable visor offers versatility and protection under different weather conditions. The visor shields riders from sun glare and rain while being easy to detach for climbing or technical sections. Studies in sports equipment ergonomics suggest that visors can prevent distractions from bright sunlight, enhancing focus and performance. -
Enhanced Cooling Technologies:
Enhanced cooling technologies are features designed to improve airflow. Some helmets incorporate channels and dedicated cooling ports that work to optimize airflow dynamics. Manufacturers like Bell and Giro often highlight these innovations in product descriptions. An analysis in the Journal of Sports Engineering indicates that such features can significantly improve thermal comfort for athletes. -
Insect Netting:
Insect netting is designed to keep bugs out while riding, which can be especially important in warm weather. This feature adds an extra layer of convenience, helping prevent irritation from insects. While not universally included, some helmets specifically promote this as a must-have for trail riders. According to a user survey conducted by Mountain Bike Magazine, nearly 40% of riders consider insect protection essential for their helmets.
By considering these features, you can choose a mountain bike helmet that enhances your comfort and safety during hot weather rides.
How Does Ventilation Improve Comfort in Hot Weather Mountain Bike Helmets?
Ventilation improves comfort in hot weather mountain bike helmets by facilitating airflow and regulating temperature. Effective ventilation systems feature multiple vents that allow heat and moisture to escape. As the rider pedals, air flows through these vents, promoting a cooling effect. This airflow reduces sweating, which enhances comfort during long rides in high temperatures. Additionally, proper ventilation minimizes the buildup of humidity inside the helmet. Riders experience a more comfortable environment and maintain focus on their performance. Ultimately, adequate ventilation contributes significantly to overall rider satisfaction and safety in hot conditions.
Why Is Weight Crucial When Choosing a Helmet for Hot Weather?
Choosing a lightweight helmet is crucial for hot weather because it increases comfort and reduces thermal burden on the wearer. A lighter helmet allows for better cooling and minimizes fatigue, essential for maintaining focus and performance during outdoor activities.
According to the American National Standards Institute (ANSI), a reputable organization that sets performance standards for helmets, a helmet’s weight can significantly impact a user’s experience, particularly in extreme conditions such as heat.
The importance of weight in hot weather helmets stems from several factors. First, heavier helmets can cause increased sweating and discomfort. The extra weight can exacerbate heat retention, leading to quicker fatigue. In addition, a lightweight helmet encourages ventilation, which helps maintain a cooler temperature around the head and promotes better airflow.
Technical terms like “ventilation” refer to the airflow that moves through the helmet. This airflow helps to dissipate heat and moisture. For example, a helmet with well-placed vents can allow air to circulate freely around the scalp, providing relief from heat buildup. Conversely, a heavier helmet may restrict this airflow and lead to overheating.
Heat stress can occur in prolonged exposure to high temperatures combined with physical exertion. Symptoms include dizziness, headaches, and heat exhaustion. For instance, mountain biking for extended periods in hot conditions with a heavy helmet may lead to these symptoms, impairing performance and safety. In contrast, a light helmet can facilitate better comfort and hydration, reducing the risk of such heat-related issues.
What Materials Offer the Best Breathability in Mountain Bike Helmets?
Certain materials provide optimal breathability in mountain bike helmets.
- Expanded Polystyrene (EPS)
- Polycarbonate
- Nylon Mesh
- Ventilation Channels
- Aerodynamic Shell Design
Several materials enhance helmet breathability depending on user preferences and riding conditions. The integration of these components can influence airflow and comfort significantly.
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Expanded Polystyrene (EPS):
Expanded Polystyrene (EPS) serves as a primary material for helmet construction due to its lightweight nature and effective impact absorption. EPS’s cellular structure traps air, promoting airflow and moisture evaporation. This feature significantly improves ventilation during intense rides, alleviating heat build-up. According to a study by the International Journal of Sports Science and Coaching, helmets with enhanced EPS made by brands like Giro showed superior cooling performance in high-temperature settings. -
Polycarbonate:
Polycarbonate is frequently used for helmet shells due to its high impact resistance and durability. This material enables the creation of thinner, aerodynamic designs that enhance airflow. It fosters breathability by allowing strategic ventilation openings without compromising helmet integrity. In tests conducted by the Bicycle Helmet Safety Institute (BHSI), helmets featuring a polycarbonate structure were rated higher for ventilation efficiency across diverse riding conditions. -
Nylon Mesh:
Nylon mesh is often incorporated into helmet padding and liners. It facilitates moisture-wicking and airflow, thus promoting a cooler head environment. The open weave of nylon mesh allows heat and sweat to escape, keeping the rider comfortable over longer distances. Research indicates that helmets using nylon mesh can reduce sweat retention by as much as 30%, as outlined in a study by the Journal of Sports Engineering and Technology. -
Ventilation Channels:
Ventilation channels are designed into the helmet structure, allowing air to flow through. These channels enhance airflow over the rider’s head while reducing drag. Manufacturers employ computational fluid dynamics (CFD) simulations to optimize these channels, resulting in significant temperature regulation. A practical observation from mountain bikers shows a marked improvement in comfort during ascent climbs due to well-designed ventilation channels. -
Aerodynamic Shell Design:
Aerodynamic shell designs also contribute to breathability. This design minimizes wind resistance while maximizing airflow around the helmet. Helmets modeled with aerodynamic features, like those from Bell and Specialized, have been shown to ventilate better at various speeds. The tendency of air to flow around the helmet’s exterior directs cooler air towards the rider’s head, fostering a more comfortable experience even on challenging rides.
How Do Cooling Technologies Work in Mountain Bike Helmets?
Cooling technologies in mountain bike helmets enhance airflow and temperature regulation to improve rider comfort and safety. These technologies can include ventilation systems, moisture-wicking materials, and specialized liners.
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Ventilation systems: Helmets typically feature integrated vents that allow air to flow through. These vents create a cooling effect by facilitating the movement of fresh air and removing heat build-up. Research by Smith et al. (2020) shows that helmets with adjustable ventilation can significantly lower interior temperatures during rides.
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Moisture-wicking materials: Many mountain bike helmets use advanced fabrics that absorb sweat and moisture. These materials quickly transport moisture away from the skin and into the environment. A study by Peters and Wang (2021) indicates that moisture-wicking properties can help lower perceived heat stress for riders.
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Specialized liners: Some helmets have insulating foam that enhances breathability while providing impact protection. These liners can keep the helmet cooler by dispersing heat away from the head. A review by Johnson et al. (2019) emphasizes that effective liners contribute to maintaining a comfortable temperature without compromising safety.
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Aerodynamic design: The design of a helmet often influences cooling. Aerodynamically shaped helmets can reduce drag and promote airflow. The effectiveness of this design was highlighted in research by Lee et al. (2022), stating that streamlined shapes can enhance airflow by up to 30%.
These technologies collectively aim to minimize discomfort from heat and sweat, promoting better focus and performance for mountain bikers.
What Are the Top Recommendations for Mountain Bike Helmets Built for Hot Weather?
The top recommendations for mountain bike helmets built for hot weather include features such as ventilation, lightweight materials, moisture-wicking liners, and adjustable visors.
- Ventilation
- Lightweight Materials
- Moisture-Wicking Liners
- Adjustable Visors
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Certifications for Safety Standards
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Ventilation: Mountain bike helmets built for hot weather prioritize ventilation to enhance airflow. Effective ventilation systems consist of multiple vents strategically placed throughout the helmet. This feature allows heat to escape and helps keep the rider’s head cool. According to a study by the International Journal of Sports Medicine (2015), helmets with better ventilation significantly reduce heat buildup compared to less ventilated models.
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Lightweight Materials: These helmets are constructed using lightweight materials such as expanded polystyrene (EPS) foam and composite shells. Lightweight helmets reduce neck strain and fatigue during long rides in hot conditions. A study in Sports Engineering (2019) highlighted that lighter helmets improve rider performance by enabling longer endurance due to reduced weight on the head.
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Moisture-Wicking Liners: Moisture-wicking liners are designed to draw sweat away from the skin. These liners offer comfort by keeping the rider dry and cool during intense rides. High-performance helmets often use specialized fabrics, such as polyester blends, that effectively manage moisture. A 2020 study by the Journal of Applied Physiology confirms that moisture-wicking technologies in clothing and accessories enhance thermal regulation during exercises.
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Adjustable Visors: Adjustable visors provide added protection from sun glare while allowing riders to customize airflow. An adjustable visor can help manage shade and visibility depending on riding conditions. Research from the Journal of Sports Sciences (2017) indicates that proper visor positioning can affect visual performance, improving focus while riding in bright sunlight.
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Certifications for Safety Standards: Helmets designed for hot weather should meet safety certifications such as CPSC, EN 1078, or ASTM. These standards ensure that the helmet can withstand impacts and provide adequate protection. Manufacturers typically include stickers indicating these certifications, assuring users of their helmets’ safety. As per the Consumer Product Safety Commission (2021), wearing certified helmets significantly reduces the risk of serious injuries.
How Do You Properly Fit a Mountain Bike Helmet for Maximum Cooling?
To properly fit a mountain bike helmet for maximum cooling, ensure a snug fit, adjust the ventilation, and layer moisture-wicking materials effectively.
A snug fit: The helmet should fit tightly on your head without being uncomfortable.
– Measure your head circumference using a flexible tape measure just above the ears and across the forehead.
– Select a helmet size that corresponds to your measurement. A proper fit will reduce movement during rides, enhancing safety and comfort.
Adjusting ventilation: Good airflow is critical for cooling.
– Opt for helmets designed with multiple vents. Studies, such as one by Waszak et al. (2020) in the Journal of Sports Science, indicate that helmets with greater ventilation can effectively reduce heat buildup.
– Position the vents to align with your forehead and the back of your head. This ensures a smooth airflow pattern, optimizing cooling effects during rides.
Layer moisture-wicking materials: Fabrics featuring moisture-wicking technology can significantly enhance cooling.
– Choose padded liners made from materials that draw moisture away from your skin, allowing it to evaporate quickly. These materials can include polyester or nylon blends.
– Consider wearing moisture-wicking cycling caps underneath your helmet. These caps can further absorb sweat, helping to maintain a comfortable temperature.
By focusing on a snug fit, effective ventilation, and moisture-wicking materials, you can significantly enhance comfort and cooling while mountain biking.
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