Nucleon Flex Proi Full Back Protection Insert - Transparent Smoke/Red - Large
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 proven performance in extreme temperatures