Helmets in this category are usually in between a rounded skate helmet and elongated road helmet. It is for users who participate in off-road downhill races or just off road recreational cycling. Vents are medium sized and it is made of EPS foam with a thin layered shell, usually platic, covering it. Most mountain bike helmet are actually a type of road helmet with an added hard visor. Therefore, it has been the more popular choice for users who engaged in multiple type of cycling.