Muddyfox pure mtb mens cycle helmet the muddyfox pure mtb mens cycle helmet features multiple tech and considerations to keep yousafe and looking great on your bike having that impact protection is a must especially on a mountain bike and aggressive terrain the muddyfox pure mtb mens cycle helmet offers a reinforced outer shell over a thick foam core to help absorb impact energy and reduce injury complete with padded inserts to aid comfort and an adjustable back strap alongside comfortable