NanoDri Men's Deep V-neck Sweat-Blocking Undershirt (Invisible nude color)[NanoDri男性用耐汗性肌着 (肌色)]
Men's NanoDri Sweat-Blocking Undershirt with sweat absorption on the inside and a sweat-blocking barrier on the outside. Made of stretchy, breathable structured polyester. "Invisible" nude color. These look invisible under your button down since they are very similar to skin color.