3 Pack Short Sleeve School Polos T Shirts for Boys and Girls (3 17 Previous Amazon Essentials Women's Classic Fit Short Sleeve Crewneck T Shirt 3 Pack Short Sleeve School Polos T Shirts for Boys and Girls (3 17 Products. Nike.com. Stock up on your basics with this five pack regular fit short sleeve plain t shirts, perfect casual essentials for everyday wear. These t shirts have round necks, set in sleeves, and are cut in a regular fit. Threadbare needle and thread embroidery adds coveted branded style to the chest, and the woven label completes the classic Threadbare look. This five pack contains one black, one khaki, one grey marl, one navy and one white t shirt all designed for easy styling. Layer with them or lounge in them, they're perfect on the days you just need an essential t shirt. Team with jeans or chinos under a long sleeve check shirt, or pair them with a pair of joggers for a casual and comfortable outfit.