Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Camouflage Sport Shirt - Made from durable cotton oxford, this military-inspired sport shirt features a rugged camouflage pattern and has been washed to give it a lived-in look. Button-down point collar. Applied buttoned placket. Long sleeves with buttoned barrel cuffs. Patch pocket at the left chest. 100% cotton. Machine washable. Imported.