Just add water in the Tommy Bahama Island Cays Colorblock Hipster Bottom in White. The Island Cays Colorblock Hipster Bottom by Tommy Bahama is made of 95% Recycled Nylon and 5% Spandex. The Island Cays Colorblock Hipster Bottom has a 2.5" seam. For best results, handwash your Tommy Bahama swimwear.