509 Altitude 2.0 Carbon Fiber Helmet Size:4XL Featuring large cargo pockets

Featuring large cargo pockets

Shell: 98% Cotton

Dual density EPS

Glide with ease & low profile design offers flexibility

509 Altitude 2.0 Carbon Fiber Helmet Size:4XL Featuring large cargo pocketsReinvented to ride even harder, the second generation of the bestselling 509 Altitude series unleashes a whole new animal. Leading the charge is the 509 Altitude 2. 0 Carbon Fiber Helmet with a new hand lay up carbon composite construction that's lighter, stronger, and straight up sleeker than anything before it. For those who like to get aggressive, it includes the Fidlock magnetic strap buckle for easy one handed operation, a built in universal