Stay cool with ample ventilation, while the adjustable fit ensures comfort on every climb. Plus, the built-in head torch mount adds versatility for nighttime exploration. Durable climbing helmet designed to protect against falling rocks and ice  Two-part outer shell with EPP and EPS foam construction for reliable impact absorption  Ample ventilation openings for airflow and heat dissipation  Adjustable fit system with chinstrap, clip buckle, and twist lock at the back of the head  Includes headlight mount for added convenience during low-light conditions Two sizes: S/M (53-59 cm) and M/L (58-63 cm)  Weight: 295g (medium size) _