The KLIM Tactical LS Shirt is specifically engineered for riders looking for a low-profile next-to-skin armored base-layer. Built with body-mapped impact protection on strategic high-impact locations on your chest, back and more, the Tactical LS Shirt is optimized for protection and mobility. With KLIM Aggressor(TM) Cooling 100% brrrdeg chemical-free cooling stretch fabric, this protection layer blends excellent protective characteristics via perforated armor with a highly breathable chassis to provide an enhanced riding experience from dawn to dusk Next-to-skin armored base-layer Compression style fit Perforated XRDA(R) Extreme Impact Protection articulated padding in impact zones on chest, lower ribs and back (9.5mm Center Front, Shoulder, Upper Elbow, Center Back, 6mm Rib area, Lower Elbow, Side of Back) Improved pad contouring in shoulders, elbows Comfort mapped relief cuts 4-way-stretch KLIM Aggressor(TM) Cooling fabric with 100% brrrdeg cooling technology Fabric is moisture-wicking, fast-drying, infused with cooling minerals Mesh pad pockets, side panels and back panels for breathability and airflow Super breathable moisture-wicking material Flat lock seams for comfort Silicone back hem to keep it tucked Tagless Thumb loop in sleeve