Alpinestar Nucleon Plasma Back Protector Insert size:Medium allowing the side cheek padding

allowing the side cheek padding to be easily removed by trackside support and medical staff

The outer shell is made from fibreglass

stops made of Nylon

lightly tinted

as Trac King clutches redefine what's possible

Alpinestar Nucleon Plasma Back Protector Insert size:Medium allowing the side cheek paddingNucleon PlasmaBack Protector The extremely lightweight Nucleon Plasma back protector is made from a unique shock absorbing material. The protector can be inserted quickly and comfortably for safe riding fun! The clever design focusses on adaptability, breathability and ventilation. With its soft touch textile coating on the back, this protector offers an optimum balance between power transmission, flexibility and comfort. Suitable for Alpinestars