79% Nylon, 21% ElastaneAdvanced hidden underwire provides perfect comfort and supportContour UnderwireImportedHand wash cold. Line dry.Seamless underwire bra. Sleek, soft microfiber. U-shape back for support. Lightly lined cups prevent show-through. Invisible edge disappears under thin fabrics. Non-stretch center provides support. Tagless for comfort. Adjustable stretch straps. 3 column, 2 row hook and eye back closure. Warner's Style 1344...