In-mold PC shell with cool gradient design bike helmet. 1. Lightweight outer shell, EPS foam inner shell. Absorbs shock from direct impact to the head 2. Adjustable side straps allow to fine tune fit and comfort. 3. Detachable visor helps reduce glare. 4. Dial adjustable system for perfect fit . Fast release buckle , 5. Sweat -absorbent heat seal inner pad 6. Well ventilation system with 26 air vents. High safety in mold bike helmet with cool design. Adjustable dial system for the perfect fit. Breathable design for comfort (26 vents). Absorbs shock from direct impact to the head. Adjustable side straps allow to fine tune fit and comfort. 26 air vents. Adjustable dial fitting. Head size from 58 to 61cm. Foam padding. Quick-release buckle fastening. Multicoloured. Manufacturer’s 1 year guarantee.