Jockey Life 3-Pack Men's Premium Cotton T-Shirts - White 100% Cotton 100% cotton comfort that lasts. Extra length and full-motion sleeves help your shirt stay tucked. Stay flat collar is reinforced for a smart look that lasts all day. Trusted Jockey quality. Size Chart: S 34-36, M 38-40, L 42-44, XL 46-48, 2X 50-52