1.Weight,Sizes & Colors 
240g
2.Size: Adjustable from 54-62cm
Inner size: Width:18.5cm,Length:22.5cm
4 ranging colors 
3. Construction
Outer Shell Construction:In-mold polycarbonate shell with EPS liner 
Inner Shell:Thermoformed reinforcement shock absorbing polystyrene
 Fit System 
Lightweight fit system with an easy-to-turn dial for adjustments 
Ventilation
29 Wind Tunnel vents with internal channeling
4. Comfort
Removable and washable inner padding in Coolmax material- COOLMAX internal pads(cushioning comfort pad) are used in larger surface in contact with the head for increased comfort. Detachable for hand wash and anti-allergenic.Comfort Liner and Chin Pading keeps a good fit
