U.S. Polo Assn. Boy's Short Sleeve Polo Shirt, Boy's Short Sleeve Polo Basic short sleeve Polo shirt boy Mayoral LCW Kids Polo Neck Short Sleeve Basic Boys' T Shirt W41086Z4 HRC LC AWZXDE Boys Polo Shirt Short Sleeve Cute Print Button Closure Casual U.S. Polo Assn. Boys Short Sleeve Stripe T Shirt, Sizes 4 18 Walmart.com. This Summer Polo Print Short Sleeves Boys T shirt in Off White is made from a soft and breathable cotton blend, ensuring comfort all day. The sporty polo inspired print adds style, while the short sleeves make it perfect for warmer weather. Versatile and easy to pair, it??? s ideal for casual outings, school, or playdates.