ALPINESTARS Bionic Action Jacket - Medium 6506818-13-M Bar End Handguard Mount Clutch engagement point is fully

Clutch engagement point is fully tunable to suit rider and terrain

Innovative flexion inserts work seamlessly with new flex support system for ultimate in performance

Knee Polyurethane (PU) film reinforcement

Featuring an engineered fit designed to deliver the highest level of active race protection

TR-4 valve stems

ALPINESTARS Bionic Action Jacket - Medium 6506818-13-M Bar End Handguard Mount Clutch engagement point is fullyLightweight protective jacket with high adjustability and maximum breathability Back protector developed in three waist to shoulder dimensions to cover all body sizes All shells are constructed from a high performance polymeric material blend for optimal flexibility and excellent weight saving properties All shells are highly perforated for maximum breathability and air ventilation Single injected shells constructed with a back integrated structure