Before you buy please consider that products are sent via china post registered air mail shipping usually takes 17~33days or longer
Stype: Intergrally-molded

Material:
Outside: PC，inside:EPS，PU foam，nylon adjust belt

Size:? M/L 57-62cm

Weight: About 256g

Feature:?Ultralight/Anti-Sweat/Shock Resistance/Ventilation，use air cooling make the air free