Polyester, Spandex Polyester lining Pull On closure MATERIAL:82% polyester 18% spandex.Lining:100% Polyester, quick-dry fabric stretch stays comfortable, chlorine-resistant fabric helps retain shape and prevents fading Fashion pro Athletic swimsuit for teens. Boyleg one piece sport swimsuit, contrast side splicing and piping creates a slimming effect. Racerback and U back design won't restrict arm movement. BRA: Padded two layers lining, built in soft cups, wirefree, non-removable. Widened shoulder strap design, no traces free movement.