Size:M 57-58cm,L 59-60cm,XL 61-62cm, XXL 63-64cm Color: matte black,Glossy black, white,red,pink,silver&gray,yellow Weight: 1000G ± 100g Homologation: CCC certification Package:1* Helmet Helmet Size Tips: (1)Wrap a measuring tape around your head about a half-inch above eyebrows (2)Take measurement two to three times to pick the largest one Features: 1,Helmet shell with high quality ABS material, light weight, resistance to falling 2,Designed for motorcycle riders, with good air permeability, suitable for spring and summer 3,We focus on motorcycle helmet, only for every customer to get quality products