• Material : high - tech ABS engineering materials, with good rigidity, High impact strength, heat resistance, low temperature resistance, chemical corrosion resistance characteristics
• Ultra - light, not to ride a traveller burden, but also to guarantee security
• Front ventilation shutters, shutters inside a waterproof layer, not in the rain, keep the helmet ventilation
• Advanced reservations for the latch, the user-friendly design, easy to use
• Dimensions：M=21.6-22INCHS,L=22.4-22.8INCHS ,XL=23.2.（ Head circumference sizes）Head circumference sizes greater than 23.2 INCHS do not buy
• Once inspection tag is removed, item is no longer eligible for return.***