Speedo Girl's Molecular Racerback One Piece Swimsuit Shell: 80% nylon 20% Lycra Spandex 80% Nylon / 20% Lycra Sporty thick strap racerback Resists bagging sagging and the effects of suntan lotion skin oils and chlorine No Wedgie Worries technology with silicone gripper at leg openings for stay put coverage Xtra life lycra fabric lasts 5 to 10 times longer. Hand wash. Imported.