Triple Eight’s THE Certified Sweatsaver Helmet for Skateboarding, BMX, Roller Skating, and Action Sports offers comfort and safety with high impact-absorbing EPS foam, and thick dual-density soft foam Triple Eight Sweatsaver fabric liners. Dual certified to comply with US CPSC Bike and ASTM F-1492 skate safety standards, it’s the ideal helmet for biking, skateboarding, inline skating and rollerblading, roller skating, roller derby, scooters, BMX, and other action sports. Two sets of moisture-wicking, stink-free Sweatsaver liners in two different sizes are included for a customized fit. The plush terrycloth liners attach with Velcro and can be removed for washing. Chin strap is adjustable and fastens with a side release squeeze buckle.