Absorbing up to 30% more impact than standard EPS foam, the Six Six One Evo AM Helmet uses Contigo foam to protect your head in the event of a traumatic crash. Its aggressive lines cater to modern trail riders and enduro racers, with 15 sculpted high flow vents to keep your head nice and cool on hot summer rides. The backside's flatly sculpted shape provides better retention of goggle straps for enduro racers. The antimicrobial, adjustable padding keeps your helmet fresh and stink free when you're sweating on the trail. Additionally, the Fidlock magnetic buckle and Boa 360 degree retention system dial in a great fit.