140/80B18 70T

Features six (6) air intake vents and four (4) exhaust outlets

Impact-resistant ABS plastic construction

Equipped with a hook and loop cuff and a Hypalon strap for a secure closure and a truly personalized fit

The stretch finger gussets improve flexibility and wick away moisture

Alpinestars Supertech M10 Solid Adult Off-Road Helmets Size:X-Small 140/80B18 70TAlpinestars Supertech M10 Solid Adult Off Road Helmets The goal of the Alpinestars Supertech family of helmets was to create the most advanced, protective, and performance enhancing helmets possible for riders worldwide. With the S M10, Alpinestars' Helmet Development team engineered the helmet to offer the perfect blend of excellent ventilation, and unsurpassed comfort, to create a helmet with the lightest weight possible, all without compromising on