Alpinestars Silent Tech Hat Color:White Front flex area is constructed

Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement

D – Inseam: measure straight down the inside leg from the crotch to the ankle

Specifically shaped and manufactured for the Yamaha YZF-R1 using Toray Carbon Fiber Prepreg

Class-leading HH friction rating was developed in racing

Alpinestars Silent Tech Hat Color:White Front flex area is constructedCool and dry wicking plus water resistant stretch fabric Flex construction plus snap back for extra comfort and adjustability Ride Dry logo on left side of hat Structured crown Clear gel print Corp Shift logo Internal and back labeling One size fits all Adults