Alpinestars Nucleon Protector Size:L 0 Carbon Fiber Helmet with

0 Carbon Fiber Helmet with a new hand lay-up carbon composite construction that's lighter

There's still everything you need to take to the roads less traveled - or just leave the road altogether

Sublimation artwork

and Hi-Viz

Tear-off compatible

Alpinestars Nucleon Protector Size:L 0 Carbon Fiber Helmet withFEATURES Hybrid technology Alpinestars' Nucleon Cell and Flex technologies providing ventilation and flexibility Ergonomically contoured dual zone outer shell Advanced polymeric blend with a solid cell structure core framed by a more flexible 3D cell structure Nucleon Flex technology layer on the central back zone More protection coverage in critical area Lightweight, ventilated and ultra comfortable technology Rigorously tested and certified for