The Fuse Alpha Helmet utilises a high impact ABS outer shell and EPS inner foam to give maximum protection against slams. The helmet is deep fitting for comfort, protection and style and comes with optional padding so you can get the perfect fit. To ensure a comfortable and secude fit a multi-point adjustment strap and quick release buckle fasten down the lid. Size Guide: X-Small: 52 - 54cm Small/Medium: 54 - 56cm Medium/Large: 56 - 58cm Large/X-Large: 58 - 60 Colour: Glossy Red and Speedway, Matte Navy Blue, Matte Neon Green, Matte Grey and Block Shade, Glossy White and Speedway, Matte Flash Grey, Matte Sand, Glossy Burned Orange, Matte White Mob Mark, Black, Glossy Pink, Matte Black Mob Mark, Matt Black Mob Mark, Matte Mint Green, Matte Black, Glossy Flash Black, Glossy Black, Matt Sand, Glossy Miami Black, White, Matte Miami Purple; Size: XS/S, S/M, M/L, L/XL, XL