This helmet meets CPSC, ASTM and ANSI standards. It has energy absorbing EPS liner cushions, a hard-shell construction, fully adjustable straps, and quick release buckles. Comes in 3 sizes: Small (21-1/4" to 22"), Medium (21-1/2" to 23-1/4") and Large (23-1/4" to 24-1/2"). After you click Add To Cart, you will be prompted for helmet size. Comes in Black.