• SAFETY FIRST: Our best performance mountain bike helmet complies with U.S. CPSC and E.U.CE Safety Standard for Bicycle Helmets, offer the versatility you need to ride everything from fire-road adventures to swooping single track trails, Maximum protection for your safety
• EXCELLENT PROTECTION: Full Coverage Tough polycarbonate outer shell fused helmets impact-absorbing EPS foam liner for durability without excess weight, Riding with ultimate free and comfortable
• READY TO GO: sleek design and classical color, styling with 18 wind tunnel vents with internal channeling keep you feeling good mile after mile
• ACCESSORIES:With washable and removable padding and chin pad, Big Visor for UV and other elements protection
• SIZE AVAILABLE: Adjustable dial to customize fit; with an easily-adjustable fit system you can easy to get the right fit, with size L for 55-59cm(21.65-23.23inch) it fits most Children,Youth,adults men and women's head sizes