Thanks to the Rush and 4-Way Stretch technologies, the men's functional blue Under Armor Rush Energy t-shirt allows unrestricted movement in all directions and at the same time supports your performance and faster regeneration. * material: 91% polyester, 9% elastane * RUSH infrared technology restores body energy and thus supports your performance and faster regeneration * material wicks away sweat and dries very quickly * construction with 4-Way Stretch technology allows elasticity of the material in all directions * lower hem with side slits * reflective logo for better visibility * Celliant technological fabric * short sleeve, round neck * thermal T-shirt, sports T-shirt