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