NWT Carhartt Force Sun Defender™ Lightweight Short-Sleeve Logo Graphic T-Shirt Size L White TK6163-M When the sun is fierce, this men's Carhartt shorts-sleeve t-shirt fends off the rays. Yard work or a day on the boat, lightweight, UPF-rated polyester covers you up without weighing you down. It also fights sweat and odor to keep you feeling fresh and focused on the task at hand.