For a smooth look under clothing, choose One Smooth U® bras. Solve your side and back bulges and be assured of no show through! Silky smooth, seamless cups and back for a sleek look. Concealing petals for modesty and shaping. Flat, adjustable comfort shoulder straps. Built-up Comfort-U® design for a smooth back and stay-in-place straps. Full coverage for comfort and fit.