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 Slight drop shoulder Dyed-to-match recycled molded zipper with dyed-to-match rubber-tipped pull Angled front pockets with stitching detail Self-banded cuffs and hem Pleats at back hem Tag-free labelDue to the nature of 100% polyester performance fabrics special care must be taken throughout the printing process.