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