Kiefer 900107-Nvy-46 Female P.E. Swim Suit, Size 46, Navy Durable nylon construction will last through repeated washings Double thickness of 40-denier 100% nylon throughout Can be used as training suits due to their full cut and loose fit, providing your swimmers with increased drag during practice Contour back style, reinforced seams, non-sag shoulder straps All inner stitching is color-coded according to size, using a different color thread for each size