Prevent show-through in this underwire T-shirt bra Pillow cupsTM engineered with 3D technology for shape Minimize bulge with smoothing wings and back No visible bra lines thanks to smooth U-back design Comfort front straps, back adjustable stretch straps 3 column, 2 row hook and eye back closure Super-soft stretch microfiber Content: 76% Nylon, 24% Spandex.Side Cup: 58% Nylon, 42% Spandex. Country of Origin: Imported