Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Custom-Fit Striped Dress Shirt - Crafted from ultra-soft cotton, this trim-fitting dress shirt features a handsome striped pattern and our signature embroidered pony. Button-down point collar. Applied 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. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.