Troy Lee Designs A3 Adult Mountain Bike Helmet w MIPS, EPP, EPS. Premium, 16 Vents, 3 Way Adjustable, Lightweight. Detachable Visor. All Mountain, Enduro, Gravel, Trail, BMX, Off Road - Black, XS/SM

So comfortable you won't ever want to take it off. The A3 mountain bike helmet is a new standard in premium mountain bike helmets with luxurious comfort, patent-pending innovations in coverage, ventilation that will you keep you cool on the longest climbs with comfort and coverage on the sketchiest of descents.