Adult Pike Cycling Helmet Features: Lightweight enduro / trail / freeride helmet with a 2 shell polycarbonate construction,Compact, two-part racing shell with high quality workmanship,Weight: 390g (± 25g), Integrated IPX® ACells helmet rotation impact absorption technology for maximum protection, Easily adjustable helmet peak with ratchet mechanism, Goggle compatible at the highest setting, Unique `dual-flow` system with enlarged air slots for maximum air circulation, 3D size adjustment for a perfect fit, Fidlock® magnetic closure for easy, one-handed opening and closing, Sweat-absorbing, washable and replaceable inner lining, Exceeds the EN1078 safety standard for bicycle helmets. Complies with U.S CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and older