Twist-front sweetheart neckline Built-in underwire, molded bra cups with Power Mesh bra frame Side bra boning Adjustable straps Double keyhole back with S-hook closures (3 adjustments) Unlined top with flyaway layer Fully lined, full coverage brief Suit your size! Are you one size on top and another on bottom? Mix and match your top and bottom sizes for your perfect fit. Flattering fit and flare silhouette Swim Solutions: Underwire Top: Side seam measures 15" on size 20 82% Nylon / 18% Spandex Quick-dry, open weave crochet knit overlay Imported Hand wash with mild soap. Roll suit in towel & squeeze out excess water. Dry flat; avoid washers & dryers.