Port & Company Performance Sleeveless Tee PC380SLRated 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,Removable tag for comfort and relabeling,UPF rating of 50,Self-fabric trim at neckline,Self-fabric binding at armholes,Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.**