Youth Boys San Antonio Spurs Tee Shirt 3 in 1 Combo Set by Outerstuff. Youth Boys San Antonio Spurs Tee Shirt 3 in 1 Combo Set. This youth San Antonio 3 in 1 set includes a short sleeve and a long sleeve tee. This set is made of 50% Cotton and 50%Polysester fabric to ensure that perfect fit and comfortable feel. These shirts feature an awesome, bold San Antonio Spurs logo on the front of the short sleeve tee and the San Antonio name on the front of the long sleeve tee along with a team color stripe and Spurs name on the left sleeve. Designs are made from a plastisol screen print for long lasting durability. Now your little Spurs fan can play, keep warm, and cheer on his favorite team at the same time. Go Spurs!!