This helmet features Chamude® synthetic suede covered Polycarbonate and Advanced ABS Composite outer shell; injection molded shell design; washable quick-dry, moisture wicking, anti-microbial liner; stainless steel mesh; comfort padded harness with synthetic suede lining, hook & loop adjustment, and Fastex buckle; two side, two front, one back, and two center stripe vents. New to the United States, One K Helmets boast the perfect
This hat comes in a choice of 2 shell sizes small and large. Liners are available in 51-52cm, 53-54cm, 55-56cm, 57-58cm, 59-60cm and 60-61cm. As an example If you are usually a size 56 you would order the 55-56cm, to fit you simply place the hat on your head and pump the air until you get the desired fit. This ensures a really comfortable secure fit
PAS015, ASTMF, EN1384, British Kite Mark