Mammut Haute Route Helmet - White/Black 51-55 cm | Lightweight, Multi-Use Alpine Protection

All-Terrain Protection for Mountain Adventures

Meet Mammut's Haute Route Helmet, a versatile headpiece designed to adapt from powdery backcountry days to rugged rock faces and fast-paced road rides. Certified for protective performance, it blends a sturdy shell with thoughtful interior air flow to keep you comfortable as conditions shift. Whether you’re chasing fresh powder, inching along a cliff, or cruising on pavement, this helmet is built to support your momentum with confidence.

Key features at a glance include a lightweight ABS shell, advanced impact management (EPP and EPS), proactive ventilation, and a precise fit system. The slight brim adds sun and debris shade, while the included beanie slips inside for additional warmth on chilly mornings without adding bulk. The design also accommodates goggles or a headlamp thanks to elastic straps, making it a practical option for multi-sport days.

Cooling, Comfort, and Clarity

Strategic front vents paired with internal air channels promote steady airflow, helping to keep the head cool during climbs and descents. When the weather drops, the internal warmth can be complemented by the included beanie, which fits neatly inside the helmet. Large front vents also help reduce fogging on damp or misty days, helping you maintain visibility when it matters most.

• Front ventilation boosts airflow on climbs and descents
• Internal channels distribute air for even cooling
• Beanie included for cold-weather comfort inside the shell

Versatility Without Compromise

The Haute Route Helmet uses a hybrid construction that balances a low weight with rugged durability, making it suitable for long approaches, alpine routes, and everyday training. Elastic straps securely hold goggles or a headlamp when needed, so your gear stays put as you move from one activity to another.

• Hybrid construction keeps weight low while preserving durability
• Elastic straps securely hold goggles or a headlamp
• Certified protection suitable for multi-sport use

What You Can Expect

Designed for real-world use, this helmet blends safety features with practical comfort and a modern silhouette. A 360° fit dial lets you fine-tune the tension for a secure, personalized feel, while a slight brim provides shade where you need it. While results will vary by user and activity, many find the Haute Route Helmet to be a dependable companion across seasons and disciplines.