7.7-ounce, 89% recycled polyester/11% spandex interlock knit (solids); 7.7-ounce, 81% recycled polyester/8% polyester/11% spandex interlock knit (heathers); This product's carbon footprint has been measured and reduced through a combination of preferred materials and investing in carbon offset projects though the ClimeCo Certified Product Program; Snag-resistant; Moisture-wicking; UPF rating of 50+; Self-piped zipper placket; Forward shoulder; Dyed-to-match, recycled, reverse coil zipper with silicone-tipped drawcord pull; Self-turned cuffs; Scalloped, drop tail hem; Deep side vents; Tag-free label