Featuring Race Lock for a secure fit and updated to include Mips rotational impact protection, the Skull Dura X Mips gives trusted race protection. Fully certified for racing, and featuring the innovative Race Lock turnwheel adjuster for a completely secure fit at very high speeds, the Skull Dura X Mips gives comfort that keeps your focus on racing. Shaped for an even fit over the whole head, with no pressure points, the helmet features a multi-impact EPP liner for extra protection. Mips provides increased rotational impact protection. The FIS RH 2013 certified helmet features ear pads that can be easily removed after a fall, making it easier to remove the helmet safely. Ear chambers support improved balance, and the helmet is fully compatible with the Maxilla Breakaway Chin Guard.