The METEOR helmet is lightweight and low-profile, with excellent ventilation, making it comfortable for both summer and winter. Designed for climbing, mountaineering, and ski touring - Only 240 g - Low-profile design achieved using In-Mold construction with an expanded polystyrene (EPS) foam liner injected inside a lightweight polycarbonate shell - Large vents offer excellent air flow - Quality finish and sleek design Enhanced protection: - Designed in accordance with Petzl’s TOP AND SIDE PROTECTION label - Designed for optimal protection against side, front, and rear impacts - Optimal ventilation on both the ascent and descent; the helmet can be worn comfortably from the beginning to the end of an outing - Front of helmet is specifically designed for use with ski goggles - Rear elastic band is compatible with ski goggle headbands - Semi-rigid headband can be easily adjusted, even with gloves on - Two clips in front and a rear elastic band for securing a headlamp to the helmet