





Axion Uranium Black Matt
MTB helmet - Unisex -












Forest Forest Noir / Violet
MTB helmet - Unisex -


Whether you're heading out for a leisurely ride or tackling a challenging downhill session, wearing a mountain bike helmet is essential. More than just a piece of equipment, it's your first line of defence against the unpredictable nature of the trails. Explore our range of MTB helmets designed to combine safety, comfort, and ventilation, from demanding cross-country to the most technical descents.
Trail conditions are constantly changing: slippery roots after rain, loose rocks on descents, low branches in the woods. The right MTB helmet does more than absorb impacts-it stays secure on your head and efficiently wicks away heat during long climbs. This balance of protection, ventilation, and comfort is what separates a helmet you forget you're wearing from one that distracts you.
For true functionality, a mountain bike helmet must combine two factors: protection and ventilation. First, ensure your helmet is certified to European standard EN 1078, guaranteeing impact absorption that meets cycling requirements. Depending on the model and your intended use, weight can also be important. The shape can influence comfort as well. Several elements deserve special attention when making your choice:
Each mountain biking discipline has its own demands, and manufacturers have responded accordingly. Full-face helmets with a chin guard are designed for downhill and enduro riding, where impacts can be particularly severe. Some models feature a removable chin bar, allowing you to switch from full-face for descents to open-face for climbs-ideal for enduro versatility. Lighter and more ventilated, open-face helmets are perfect for cross-country and trail riding, with extra coverage at the back of the head and over the temples. There's also a dedicated kids' and junior range, with adjusted sizing and simplified fit systems-discover more in our kids' MTB helmets section.
Having an ergonomic helmet suited to your head shape and riding style ensures your experience isn't compromised. A helmet that restricts your vision or feels uncomfortable can quickly become a problem. To help you decide, we've gathered our selection of the best MTB helmets with detailed reviews of this season's must-have models. Our men's MTB helmets and women's MTB helmets sections also let you refine your search by fit.
Determine your size by measuring your head circumference with a tape measure, about 2 cm above your eyebrows at the widest part of your head. Each brand publishes its own size guide, so always check before ordering-a size S from one brand may be an M from another. A properly fitted helmet sits flat on your head, doesn't drop over your eyebrows, and stays in place even when you shake your head with the chin strap open. If the helmet tilts forward or back, the fit isn't right for your shape.
Ventilation becomes crucial as temperatures rise or climbs get longer. Well-placed vents aligned with airflow help wick away sweat and prevent overheating on ascents. Weight is just as important for comfort: expect 250-350 grams for an XC helmet, 350-500 grams for an open enduro model, and sometimes over 900 grams for a full-face downhill helmet. The goal is to find the right balance between protection and lightness, depending on your riding and terrain.
Manufacturers are constantly innovating to push the boundaries of safety without sacrificing comfort. In recent years, advances in impact absorption and lighter structures have transformed the range, even in entry- and mid-level models.
How can you reduce the risk of injury from an angled impact, which is much more common than a direct hit? The MIPS system (Multi-directional Impact Protection System) answers this: a thin yellow inner layer allows slight movement between the shell and your head during impact. This movement of a few millimetres absorbs some of the rotational forces responsible for many concussions. Widely available from brands like POC, Scott, and Smith, MIPS is now considered a standard for riders prioritising safety.
Most current models use high-density polycarbonate shells combined with multi-density EPS foam. Smith stands out with its honeycomb Koroyd structure, featured in several high-end models: these heat-welded polymer cells improve impact absorption and airflow, resulting in helmets that are both more protective and better ventilated. The result: helmets that are more comfortable on long rides and often more stable on your head thanks to better weight distribution.
The Snowleader catalogue brings together the leading names in MTB helmets, with brand universes reflecting the diversity of riding styles. Scott is a key player, with models like the Argo Plus, Tago Plus, and Stego Plus covering everything from technical trail to cross-country, offering great value and MIPS integration on most models. Discover all MTB helmets in stock at Snowleader from top brands like POC, Smith, and Julbo.
Each brand has its own identity. POC, the Swedish manufacturer known for its minimalist design and strong safety focus, equips many professional enduro and downhill riders. Smith, an American brand with roots in optics and ski goggles, has made its mark in MTB helmets with its signature Koroyd: flagship models like the Forefront, Session, and Mainline combine premium finish, lightness, and excellent ventilation-especially valued on long trail and enduro rides. Julbo, another French reference and optics specialist, offers a smaller but coherent range, ideal for those who value helmet and goggle integration. Snowleader offers a varied selection so you can choose your MTB helmet according to your needs and riding style. You'll also find all your MTB gear at Snowleader, from gloves and clothing to additional MTB protection, so you can ride with confidence whatever the conditions. To explore our full range, visit our MTB section.
The average lifespan of a mountain bike helmet is 3 to 5 years with normal use, even without any impacts. EPS foam and shell materials naturally degrade due to UV exposure, sweat, and temperature changes. After a significant impact, even if there's no visible crack, replacement is essential: the foam may have compressed internally and lost some of its shock-absorbing properties, compromising protection in the event of another impact.
To keep your helmet in good condition, clean the shell exterior with a damp cloth and mild soap, avoiding any harsh products or solvents that could weaken the materials. Removable inner pads should be hand-washed in lukewarm water and air-dried out of direct sunlight. Store your helmet in a dry, temperate place, away from heat sources like a car boot in summer, which can irreversibly damage the foam.
Each sport has its own certification standard and protection requirements. An MTB helmet meets EN 1078, while climbing requires EN 12492 and skiing EN 1077. Protection zones and impact tests differ, so it's best to use each helmet for its intended activity. For fast e-MTB (over 25 km/h), the reinforced NTA 8776 standard is recommended.
Most modern MTB helmets are designed to accommodate various useful accessories: