After years of research and development the Troy Lee Designs Team introduced the A1 mountain bike helmet in 2013 with best-in-class protection At Troy Lee Designs styling graphics fit function and safety are key in everything they create This lightweight fully encapsulated all-mountain helmet utilizes maximum coverage and dimension to keep you safe and protected in all riding conditions Whether youre charging single track riding dirt jumps or grinding out miles on the XC bike the A1 helmet offers the premium fit protection and style you wantPRODUCT CONDITIONThis item is in New Condition however the original packaging may be dirty damaged or missing due to storage and shippingTECH SPECS - Reinforced polycarbonate shell in-molded with the EPS liner extends down the sides and back of the head for maximum protection and durability- Dimensions Fork 65 Spoon 65- 8 rear vacuum vortex outlets help exhaust and draw heat from the head- Triple position adjustable retention system allows customized fit for various eyewear head shape and riding styles- Single piece ultra plush removable and washable comfort liner made of anti-microbial moisture-wicking material for a dry comfortable feel- Full-spectrum adjustable moto inspired visor with anodized aluminum hardware- Certification CPSC 1203 CE EN 1078 AS NZ 2063- Returnable No