Ultralight, solid Selma III Climbing Helmet for a wide range of use. Features Co-molded EPS foam with PC (polycarbonate) shell offers excellent impact absorption whilst remaining super lightweight. Reinforced protection at the back 8 vents optimize ventilation and keep you comfortable and fresh 2 top vents covered with stainless steel mesh prevents falling rocks and ice from entering Curved front increases peripheral vision Big knob at the back allows one-handed adjustment even with gloves on Adjustable chin straps with a buckle for different head sizes 4 clips allow you to attach your headlamp or goggles securely Rear headband can be tucked away for easy storage and transportation Specs Certification: CE1015 EN12492 UIAA106 Size: Size 1: XS-M; Size 2: M-XL Head Circumference: 48-57 cm (XS-M); 53-61 cm (M-XL) Weight: 220 g (XS-M); 245 g (M-XL) Recommended Use: rock climbing/ice climbing/mountaineering/caving/team building activities/tree climbing