ALPINESTARS T-GP Air Jacket - Black - 2XL 3300626-10-2XLAerodynamic, Alpinestars Race spec Supertech R10 aero hump, designed and engineered to work in conjunction with Alpinestars S R10 Helmet for optimal streamlining and aerodynamic racing performance Dual density, racing derived integrated Racing GP DFS (Dynamic Friction Shield) on the shoulders and elbows for superior friction control Sport fit with an elongated rear for better coverage and enhanced wind protection in the riding position Laser