Rated UPF50 to help combat harmful UV rays this tee also performs with Dry Zone A moisture-wicking technology to keep you cool dry and comfortable. 3.8-ounce 100% polyester Removable tag for comfort and relabeling Due to the nature of 100% polyester performance fabrics special care must be taken throughout the printing process. Please note: This product is transitioning from tag-free labels to tear-away labels. Your order may contain a combination of both.