Oxford Imported Button closure Machine Wash Classic Fit: our roomiest silhouette. Cut for a lower armhole and a fuller sleeve. Multicolored signature embroidered Pony at the left chest. Size medium has a 31½" back body length and a 34½" sleeve length. Sleeve length is taken from the center back of the neck. Button-down point collar. Buttoned placket. Long sleeves with buttoned barrel cuffs. Split back yoke with a box pleat ensures a comfortable fit and a greater range of motion. 100% cotton. Machine washable. Imported. The oxford shirt made its debut at the beginning of the Ralph Lauren brand, and since then, has solidified its status as a pillar of the Polo look. Today, Mr. Lauren continues to design countless variations of his iconic shirt, including this relaxed version that is finished with our multicolored signature Pony.