Alpinestars Nucleon Flex Proi Back Protector Insert - Trans Smoke Red / S

The Alpinestars Nucleon Flex Proi Back Protector Insert is part of the latest Alpinestars collection. The extremely lightweight CE Level 2 Nucleon Flex Proi Back Protector Insert features a highly ventilated hybrid of Nucleon Cell and Nucleon Flex protectors for the optimum balance of force dispersion and flexibility, with a soft-touch 3D mesh liner for enhanced rider comfort. The back protector insert is a full-length back protector, about 22% longer than regular back protector inserts. The Nucleon Flex Proi is compatible with all Alpinestars' sport and touring jackets tha