Rudy Project Crossway Helmet built for MTB and gravel riders who want a well-ventilated, lightweight protective helmet with integrated visor and an adjustable retention system. Key attributes: White | White matte | Polycarbonate | Highly ventilated | Lightweight construction | Extended rear coverage for added protection | RSR 10S retention system | Fastex closure | Removable Bug Stop insect netting | Replaceable padding | 23 air vents with wide central intakes | Fully integrated visor | Frontal airframe band padding | Dimensions & fit: S/M - Size 55–58 cm / 21.7"–22.8"; Weight 288 g / 10.16 oz | L - Size 59–61 cm / 23.2"–24.0"; Weight 309 g / 10.9 oz | Total Comfort Fit | RSR 10S adjustable retention system for micro-adjustable fit | Available sizes: S/M (55–58 cm), L (59–61 cm) | Composition & care: Polycarbonate outer shell | Expandable polystyrene (EPS) impact-absorbing foam | Textile padding and straps | Wipe clean with a damp cloth. Do not machine wash. Avoid solvents and prolonged exposure to direct sunlight.