Finest grade lightweight titanium finish makes the Shrey Masterclass Air 2.0 Titanium the lightest helmet in the market to get the latest British Safety Standards certification. Specifications: With high-grade Xenoy composite shell. A+ American EPS liner for increased safety and shock absorption. Top-grade titanium helps in better visibility and utmost strength. Permanently attached AIR and SHREY embossed side plates. Includes: Mesh bag, Swoppa band, 2 Rear cushion pads, 2 Round inner cushions, 4 Round velcro sets, and Pro Neck Protector. Weight: Approximately 740gms Size: helmet head size Small 55 - 58 cms Medium 58 - 61 cms Large 60 - 63 cms