Alpinestars AMT-8 Stretch Drystar XF Jacket. Stretch performance jacket for unbeatable flexibility and premium comfort. ACTIVE touring fit with pre-curved arms, ergonomic elbows, and a contoured bottom edge for superior rider comfort. Long zippered ventilation ports on the chest and arms act as scoops to capture incoming air, providing a high level of cooling. Back vent remains open to exhaust incoming air from the front vents, allowing for a constant airflow. Versatile Drystar® XF stretch liner may be used as an inner windproof layer when worn under the jacket, or as a waterproof layer when worn over the jacket. Category II EN 1621-1:2012 Level 2 Nucleon Plasma Pro armor on the shoulders and elbows for effective impact protection.