Mugler × H&M Halterneck Cut Out Swimsuit Black Limited Collection. Fully lined thong swimsuit with a cut-out section at center bust. Halterneck straps crossed at front and tied at back of neck, narrow, adjustable shoulder straps, and a partially open back with a metal fastener engraved with the designer's logo. Curve-contouring cut-out sections at waist and high-cut legs. New With Tags Size: 4 Color: black