Crazy Dog T-Shirts Pirate Skull and Crossbones Math Pi-Rate T-Shirt Funny Mathematical Shirt Dark Heather Grey Poly/Cotton Blend Exclusive Crazy Dog T-shirt branded tee designed and printed in the USA. We use the highest grade plasticol ink and state of the art equipment to ensure vibrant colors and lasting durability. Our unbeatable tees are the perfect gift for any occasion and the prices can't be beat! Professionally printed super soft funny and awesome tees. Our vintage lightweight fitted tees are made from ultra soft ringspun cotton to get that comfortable fit and feel. Once you put this shirt on, you won't want to take it off. Satisfaction guaranteed! Our tees are slim fit so order a larger shirt if you're between sizes. Larger sizes are available - 3XL 4XL and 5XL  for most designs. If you are unsatisfied with the fit, we will provide an immediate exchange. Machine washable (wash inside out in cold water, hang dry). Perfect Christmas gift idea, birthday present or treating yourself to the best graphic shirt. This is a men's shirt; Check our other listings for this design in women's and youth sizes