Recycled polyester and color-locking PosiCharge technology make this snag-resistant, odor-fighting, moisture-wicking polo outcompete other polos.; 3.8-ounce, 100% recycled polyester with PosiCharge technology; 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; UPF rating of 30; Tear-away removable label; Flat knit collar; Taped neck; 3-button placket; Dyed-to-match buttons