Alpinestars AMT-10R Drystar® XF Jacket670946051 Product Description RIDEKNIT provides premium comfort through varying the densities and applying varying thickness based on rider needs, as well as providing flexibility, stretch, and a high level of abrasion and tear resistance In fully waterproof configuration the AMT 10 jacket features direct ventilation on the chest that riders can easily modify for extra ventilation via the versatile ventilation openings on the chest Tech Air 5 ready;