The Razor V-12 Adult Unisex One Size Safety Multi-Sport Bicycle Helmet is the ultimate helmet that is perfect for biking, skating, rollerblading or other outdoor sports.This multi-sport helmet features an ergonomically designed foam padding to keep heads safe and comfortable. This helmet has a breathable design with 17 vents that will keep your head cool even on hot days. With convenient side release buckles that are adjustable and fasten quickly, it's easy to put the helmet on and go off to do your favorite activities.The V-12 multi-sport helmet meets CPSC standards for safety, so you can rest easy while you're out riding. This safety helmet fits head sizes 21.65-34 inches around and has extra padding to fit your head securely.For a helmet that can appreciate and feel safe in during bicycle rides and other high-level activities, get the Razor V-12 Adult One Size Safety Multi-Sport Bicycle Helmet.