Oklahoma State Cowboys short sleeve t-shirt. This Oklahoma State Cowboys men's tee is made of 100% Cotton and features a screen printed logo on the wearer's right side. The old football player logo gives this shirt a vintage look. Machine washable. Available in sizes Medium-2XL (if the size is not shown in the drop down, the size is currently out of stock). Please refer to the size chart provided for the most accurate sizing information. Great gift idea! Officially licensed Oklahoma State Cowboys fan gear.