Calvin Klein Women's Every Day Push up Plunge Bra 79% Nylon, 21% Elastane Imported Hook and Eye closure Hand Wash Lightweight fit flexible foam pads with soft cup liner, brushed micro, and plush straps for added comfort Clean finished double layer wings eliminates exposed stitching against skin Ballet back and built up wing provides better fit and support S-hook for convertible straps in conventional and cross-back provides options for every day wear throughout the season