No underarm bulge here, just smooth support from every angle. This revolutionary Wacoal underwire t-shirt bra is uniquely designed to conceal underarm, side, and back bulge for a natural lift and feel-good fit. This bra is always on your side. Hook-and-eye back closure Fully adjustable low stretch straps for a customized fit Two-ply, fully bonded back lies flat to smooth and minimize back and side bulge Underwire Invisible support Side smoothing Imported Material & Care 55% Polyamide, 45% Elastane Hand wash