Per the website 3/4 = L/XL, Bust measurement 38.5-42.5 BIKINI TOP ONLY This is brand new, never worn, no tags. Fabric: Smocked jersey • Scoop neckline • Covered elastic hem • Shell: 95% polyester/5% elastane • Lined • Wash cold • Imported, China Style #GAMER30639 A part of the label's Always Fits collection, this simple and sporty Good American bikini top is crafted in innovative fabrics that are designed to stretch up or down a size while still retaining the shape and support you want.