Find The Pit Vipers Tee Porous Walker Made This. You're Welcome. A graphic tee designed by Porous Walker for Pit Viper. 100% cotton. 99. 69% preshrunk. 420% better than every shirt currently in your possession. Hunt the Pit Vipers. Or just wear the shirt. Both are valid life choices. Features100% cotton, 99. 69% preshrunk Porous Walker original graphic - designed exclusively for Pit Viper Unisex sizing see size chart below UNISEX SIZING - TOPSSize Chest Width Sleeve Length Front Length XS21"26. 25"23. 75"S22"24. 5"27"M23"25. 25"27. 75"L24"26"28. 5"XL25"26. 75"29. 25"XXL26"27. 5"30" | Pit Viper | Find The Pit Viper | Tees | Size Extra Large In 510 | 100% Cotton