NWT Ralph Lauren Boys 5T Polo Bear Cotton Long-Sleeve Tee DETAILS Style Number: 654790 100% cotton. Machine washable. Size 4-4T has an 18" body length (front and back) and a 21" sleeve length. Sleeve length is taken from the center back of the neck. Crewneck. Long sleeves with ribbed cuffs. Polo Bear, “Polo Bear by Ralph Lauren,” and “Ralph Lauren” script printed at the center front. Imported.