Traveler Swim Trunk Make beach days and pool trips even more fun with these lined swim trunks, which are finished with our signature embroidered Pony. Shell and briefs: polyester. Machine washable. Signature embroidered Pony at the left hem. Elastic drawstring waistband with a pre-tied bow. Side on-seam pockets. Back right buttoned pocket with a buttonhole. Woven "Polo Ralph Lauren Swimwear" label above the back pocket. Interior mesh briefs.