Ergonomically designed for all forms of road riding, the Nucleon Plasma Divided Chest Protector Insert has been engineered to be lightweight, breathable, comfortable & protective & is purposely designed to fit inside all Alpinestars jackets. Features The innovative Plasma M design features extensive perforations throughout to deliver maximum airflow & heat dissipation The soft tactile backing guarantees structural integrity of the protector by preventing any potential tearing Compatible with all Alpinestars garments, current & previous Plasma is constructed from USDA certified bio-based eco-friendly & sustainable impact absorbing material. Ultra-comfortable due to the soft & flexible Plasma viscoelastic compound, that offers a lightweight, low profile & best in class breathability. Constructed with a soft tactile inner liner for additional rider comfort. The super lightweight divided chest protector is available in two sizes Protection The EN 1621-3:2018 Level 1 certified...