Features High performance 1.3 mm cowhide leather Perforated leather for optimal ventilation Detachable thermal liner for optimal insulation + 3D mesh Strategically integrated neoprene panels at wrists & neck Aerodynamic race shoulder & elbow cups D3O® protection at shoulders & elbows, optional back & chest protection Safety stitching Dupont™ Aramid® stretch panels & accordion stretch panels Waist adjustment velcro system Connection zipper (short + 360°)