Whether you're working or playing, beat the heat in a RebarA(R) Heat Fighter T-shirt. Made of lightweight mesh with a moisture-wicking and odor-resistant finish, the Heat Fight T-Shirt will keep you cool and comfortable even when the heat is turned up. For maximum range of motion, the Shirts feature Greater Arm Mobility construction that lets you move without restriction. A ribbed collar provides great structure and resists slouching for an all-around easy Tee to work in any time. Especially for outdoor jobs. Plus, stain-release technology makes washing easy, even for the dirtiest jobs. Lightweight mesh Moisture-wicking Greater Arm Mobility seam construction for maximum range of motion ClimateTEK smart technology regulates the body's temperature whatever the weather Stain-release technology for easy washing FreshTek fabric finish inhibits the growth of bacterial odors Ribbed collar Droptail hem and patch pocket