Product details:
Brand: ROCKBROS
Product name: Bicycle helmet-Trail
Item Number: 10110045
Material: PC shell+EPS Foam
Color available: White/Black 
Weight：305g(L Size)+30g
Head circumference: 58-61cm(L size)
Pad: Ionic+ Sliver ion liner
Package Size: 29*18*24cm

Product Features:
1. Integrated PC+EPS foam.
2.Magnetic goggles can be switched to different styles.
3.Adjustable head circumference, tightness.
4.Multiple ventilation holes quickly dissipate heat from the head.
5.Washable silver ion lining, keeps helmet clean.