Black Diamond Vision Climbing Helmet Steel BD12055 (Color Gray, Sizes S-M) [Used]

Size: S/M=53-59cm, M/L=58-63cm Weight S/M=220g, M/L=340g This is Black Diamond's most durable helmet. Combining EPP and EPS foam with a polycarbonate shell, it is lightweight at 220g (S/M) and durable. It features new side and rear protection that meets UIAA standards, as well as ventilation ports for increased breathability in hot weather.