Original artwork by Grindstone Universal; a fashion house and lifestyle theory where progress is made and truth is revealed. 100% poly & poly-blended t-shirts that hold vibrant color. The unique material also "wicks" moisture and heat away from your body as necessary. 7.5 oz cotton/polyester blend French Terry, 80% cotton 20% polyester (salt & pepper). IPod holder and eyelet in front pocket. Thumbholes at cuffs, Twill neck tape, 2-way lenticular patch on chest and embossed logo on the back.