The Bollé V-RYFT PURE M (55-59 CM) PHOTO downhill ski helmet features a number of innovative solutions for a perfect skiing experience. The self-colouring polycarbonate visor changes colour depending on surrounding light conditions. ANTI-FOG and ANTISCRATCH treatment lower the risk of fogging and visor scratching; Adjustable air ventilation system with the AIR FLOW EXTRACTOR ensures maximum comfort; The helmet size is adjustable with the patented CLICK TO FIT system. Avid Progressive EPS makes the helmet more durable and has improved ventilation. Removable inner padding can be machine-washed at 30 degrees.