Alpinestars GP Knee Sliders - White Size:One Side The Supertech M10 is also

The Supertech M10 is also designed to allow a helmet ‘Eject’ inflation system to be fitted into the inside crown of the shell: Along with the ERS padding removal

ventilation

Designed specifically for professional racing

Replaceable interior

The S-M8 shell has been profiled with performance as a priority and with a design style that identifies the profile of the helmet and its sculpted surface as uniquely 'Alpinestars'

Alpinestars GP Knee Sliders - White Size:One Side The Supertech M10 is alsoAlpinestars GP Knee Sliders White New ergonomic shape. Worn to victory by top racers worldwide, Alpinestars Knee Sliders are constructed using an exclusive PU compound to give better feel and durability. Features: Used by our top racers. Constructed using an exclusive PU compound that is durable yet allows good feel in turns. Anatomically shaped for optimal contact, even wear distribution and lighter weight. Standard fitment on all Alpinestars leather