Ultralight Bicycle Helmet

The ultralight Bicycle helmet integrated air flow vents for increased air circulation while the heat-sealed pads provide comfort and protection, dial fit retention system for adjustment for a quick and easy custom fit. Perfect for beginners on-road and off-road use.   1. Specification:Gender: Men, Women, TeenagerSize: S (52-55cm), M (55-58cm), L (58-61cm), XL (61-64 cm)Visor: Yes2. Material:Outside: PC,inside:EPS,PU foam,nylon adjust beltUnicase technology ,more safe and perfect3. Storage advice:Do not stored in damp environment, near where the heat source or directly in light, helmet for dry processing, suggest using canvas package for storage.4. Impact protection:Ultralight, about 275gVentilation,use air cooling make the air freeAnatomic design , senior double-sided velvet protection padEasy to use,with magic buckle connection