With our 4th Dimension Cooling System and patented Kevlar-reinforced Inner Matrix the S3 is an ultra-lightweight and versatile performance package. Complies with one or more of the following safety standards for bicycle helmets: CPSC, SNELL B90A, CE and AS/NZS. Patented Kevlar- reinforced Inner Matrix saves weight and allows larger, deeper channeled vents. 4th Dimension Cooling System w/ Mega Mouthport. Thin, soft and lightweight 4X DryLite webbing won't stretch out with sweat or water. Ultralight Mindset micro-dial fit system with height adjustability for perfect fit and comfort. Instrap system minimizes strap length and reduces strap contact for more comfort. Tri-Fix web splitter for improved comfort and ease of strap adjustments. Lighter, low- profile buckle. Quadruple in- molded shells protect the foam and your head. Patented clip- on matching color visor included.