The Bollé RYFT PURE M (55-59 CM) downhill ski helmet features a number of innovative solutions for a perfect skiing experience. 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 and very comfortable Deluxe inner padding can be washed at 30 degrees.