Different Types of Mountain Bike Helmets & How to Choose the Right One.
- Joseph Organ
- Feb 4
- 4 min read
Mountain biking is an exhilarating sport, but safety should always come first. One of the most essential pieces of gear is your helmet, as it protects you from potential injuries on the trail. However, with so many types of MTB helmets available, choosing the right one can be overwhelming. In this guide, we’ll break down the different types of mountain bike helmets and help you select the best one for your riding style.

Half-Shell (Open-Face) Helmets
Half-shell helmets are the go-to choice for most mountain bikers. Designed for trail, cross-country (XC), and general mountain biking, they offer a great balance of protection and ventilation. These helmets resemble road cycling helmets but provide enhanced rear-head coverage, making them ideal for riders tackling moderate terrain. Their lightweight design makes them comfortable for long rides, and the excellent ventilation helps keep your head cool, especially in hot weather. However, while they are great for general trail riding, they do not offer full-face protection, making them less suitable for aggressive downhill or enduro riding.
A popular brand for open face helmets is Smith, often seen worn by the GMBN presenters Blake Sampson and Richard Payne.https://www.gmbn.com/
The Most Popular Open face helmet that Smith offer is the Payroll (Mips) helmet . The Payroll Mips Helmet uses three different methods to manage impact forces and is a highly-certified helmet for most types of mountain biking.

The internal EPS foam absorbs impact energy, the Koroyd technology helps to spread the impact forces across a wider area, and Mips technology acts as a slip-plane between the helmet and our heads, reducing rotational forces during an angled impact. The VaporFit adjustment system allows us to dial in the perfect fit, and a 3-position adjustable visor allows us to rest our goggles on top of our helmet.
Full-Face Helmets
For riders tackling high-speed descents and technical terrain, full-face helmets offer the ultimate protection. These helmets completely enclose the head, including the chin and jaw, ensuring maximum safety for extreme riding disciplines like downhill (DH) and enduro. They are designed to provide superior protection against crashes, making them the safest option for high-risk riding. Many models also incorporate MIPS (Multi-directional Impact Protection System) technology, which helps reduce rotational impact forces. However, full-face helmets are significantly heavier than half-shell helmets and have reduced ventilation, which can make them feel warm and less comfortable on long climbs.

A fantastic Full Face Helmet for Downhill and enduro riding is Fox ProFrame Helmet. The Fox Proframe helmet is a lightweight, highly breathable full-face helmet designed for aggressive trail and enduro riding. Featuring massive ventilation with 24 Big Bore vents, it ensures excellent airflow while maintaining DH-certified protection. The MIPS™ liner and dual-density EPS provide enhanced safety against rotational impacts. Pros like Jackson Goldstone and Sam Pilgrim have been seen wearing the Proframe, showcasing its popularity among elite riders who prioritize both protection and comfort.
Convertible (Modular) Helmets
Convertible helmets provide a versatile solution for riders who need both half-shell and full-face protection. With a detachable chin bar, these helmets allow you to switch between styles depending on the terrain. This adaptability makes them a great choice for enduro riders who face varying trail conditions. When worn as a half-shell, they provide good ventilation and comfort for climbs, while the full-face mode offers added protection for technical descents. However, they tend to be heavier than traditional half-shell helmets and, while more protective than standard open-face models, they are generally not as sturdy as dedicated full-face helmets.

The Fox Proframe RS takes the original Proframe to the next level with a removable chin bar, offering versatility for both climbs and descents. This updated version retains the lightweight, highly ventilated design but adds Fidlock® magnetic closure and an improved BOA fit system for a secure and adjustable fit. With MIPS Integra Split for enhanced rotational impact protection, the Proframe RS is a top choice for enduro and trail riders seeking maximum adaptability without compromising safety.
Enduro Helmets (Extended Coverage)
Enduro helmets bridge the gap between half-shell and full-face helmets, providing extra rear-head protection and enhanced impact resistance without the bulk of a full-face design. They offer more coverage than a standard trail helmet, making them a solid choice for riders tackling aggressive terrain without wanting the weight and bulk of a full-face helmet. These helmets are also well-ventilated and comfortable, making them ideal for long rides. However, while they do provide additional protection, they are not as safe as a full-face helmet for extreme downhill riding, and they tend to be slightly bulkier than standard half-shell options.

The POC Octon Race is a good option for enduro racing, it has durable polycarbonate shell combines with a dual-material liner to produce a lighter helmet with added protection. Featuring MIPS Integra technology, a break-away peak, and a built-in NFC chip, safety is a top priority with the Otocon. Comfort is also a top priority, and with strategically placed vents and a retention adjustment system, finding the perfect fit without restricting airflow is quick and easy.
When selecting the best MTB helmet, consider the following factors:
1. Your Riding Style
If you ride cross-country or light trails, a half-shell helmet is a great choice.
For enduro or aggressive riding, consider an extended-coverage or convertible helmet.
Downhill riders should opt for a full-face helmet for maximum protection.
2. Fit & Comfort
A proper fit is crucial for safety. The helmet should sit snugly without being too tight.
Look for adjustable retention systems and padding for a customized fit.
3. Safety Features
Choose helmets with MIPS or similar technologies that reduce rotational impact forces.
Look for certified helmets that meet safety standards like CPSC, ASTM, or CE.
4. Ventilation & Weight
If you ride in hot climates, prioritize ventilation.
Lighter helmets are better for long rides and climbs.
5. Budget
Higher-end helmets offer better materials, fit, and safety features, but there are solid budget-friendly options available.
Final Thoughts
Choosing the right mountain bike helmet is essential for both safety and comfort on the trails. Whether you prefer a lightweight half-shell for casual rides, a full-face helmet for high-speed descents, or a versatile convertible option for enduro adventures, there’s a perfect helmet for every rider. Prioritizing fit, ventilation, and safety features like MIPS will ensure you get the best protection without sacrificing performance. Investing in a quality helmet means riding with confidence, knowing you're well-protected for whatever the trail throws your way. Stay safe, ride hard, and enjoy the adventure!

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