Alpinestars A-4 Plasma Roost Guard Excluded From Discounts best-in-class viewport and improved frame

best-in-class viewport and improved frame angles give you a wider field of view

and 4-way stretch offer unrestricted movement

Helmet Technology Inside- Advanced integrated EPP in key impact zones on chest and spine

Action Back shoulder gussets for increased mobility

Easy slip-on style offers easy on-and-off

Alpinestars A-4 Plasma Roost Guard Excluded From Discounts best-in-class viewport and improved frameFEATURES Anatomically profiled for all forms of off road riding Lightweight and highly ventilated, this protector offers strong impact force dispersion and absorption while ensuring maximum coverage areas in all riding positions Lightweight and ultra vented chest armor The over injected flexible side wings of the chest protector follow the body's contours for comfort and freedom of movement Optional Race Kit engineered to be compatible with the