Featuring a closed cell foam design for maximum cranial comfort that brings vital protection to your head. Remains flexible as well as durable to sit comfortably on all head shapes and sizes. Uses Dual Expansion Foam Technology which gives more memory and is very lightweight. Multiple air vent sections help keep your head cool. The perfect fit is achieved through the elastic lace drawstring and the adjustable Velcro chin strap. Colours: black, yellow.