NWT Old Navy Side Tie Swim Dress Product Details square neck wide shoulder straps removable pads built-in briefs #854710 Materials & Care 83% recycled polyester 17% spandex 84% nylon, 16% spandex (powermesh lining) built-in upf sun protection; uv protection accords with astm standard d6603 imported Fit & Sizing fitted moderate coverage models are approx. 5'9" and wear sizes s (4), l (12), and xl (18)