4.13 oz. Polyester 100% REPREVE Recycled Polyester Moisture wicking, Odor Inhibiting 30 UPF Rating Safety Color Back and Dark Color Front Ready for action, our two-tone Transpiration Shade shirt keeps you looking clean and seen with a dark color front to disguise dirt, and bright sides and back. Our 100% recycled polyester will increase your “cool level” and it comes standard with free No-Stink Technology. We’re tempted to say “you’ve got it made in the shade” but you’ll know it when you feel it!