Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Indigo-Dyed Anchor-Print Polo - Crafted from indigo-dyed, combed cotton jersey, this nautical-inspired polo shirt is washed and tinted to give it a vintage look and features an allover anchor print. Polo collar. Two-button continuous placket with genuine horn buttons. Short sleeves with sewn cuffs. Patch pocket at the left chest. Even vented hem. 100% cotton. Machine washable. Imported.