Freya Swim Inferno AS3757 Amber Convertible Strap Soft Cup Plunge Tankini Swimwear Body: 80% Nylon Foam-lined wire-free cups with side boning for support Adjustable stretch straps convert to criss-cross Hidden 3 column, 2 row hook and eye back closure XTRA LIFE LYCRA combats chlorine for long-lasting fit U.K. sizing.