Ultra-lightweight design:- Perfect for long days at 170 g- Minimalist buckle and adjustable webbing for increased comfort and lighter weight- Hybrid construction with an EPP (expanded polypropylene) foam shell and rigid crown injected with EPS (expanded polystyrene) foam Enhanced protection:- Designed in accordance with Petzl’s TOP AND SIDE PROTECTION label- Designed for optimal protection against impacts to the side, front, and rear of the head Maximum comfort in action:- Helmet brim is reduced in the front to be invisible to the user and offer an open, unobstructed field of view- Headband and chinstrap webbing are fully adjustable- Low-profile buckle locks in place to help keep the chinstrap from loosening unintentionally- In addition to ventilation holes, the interior foam and liner feature integrated air channels for better air circulation- Two front clips and rear elastic band for securing a headlamp to the helmetNOTE: This helmet does not meet the requirements of the EN 18100: 2024 standard for ski mountaineering helmets. Specifications Material(s): Expanded polypropylene (EPP) foam shell, polycarbonate crown, expanded polystyrene (EPS) liner, polyester webbing Certification(s): CE EN 12492, UIAA