Our Dame Underwire Bikini Top is an easy mixer with your favorite swim bottoms. Designed with a flirty sweetheart neckline and a built-in underwire for extra bust support, it also has adjustable shoulder straps and G-Hook closure so you can customize the fit to your liking. Twist-front sweetheart necklineBuilt-in underwire molded bra cups with Power Mesh frameAdjustable strapsMetal G-hook back closure with 3 adjustments 82% Nylon / 18% SpandexHand wash with mild soap. Roll suit in towel & squeeze out excess water. Dry flat; avoid washers & dryers.Imported Solutions: Underwire, UPF 50 Sun Protection Close Back Details “UPF” stands for Ultraviolet Protection Factor and it measures the Ultraviolet radiation or “UV” protection from the sun provided by a fabric. (Similar to the SPF rating system used for sunscreens.) Our Swimsuits For All styles with UV sun protection have a rating of UPF 50 (the highest possible rating) which means only 1/50th of the sun's UV rays can pass through, and it blocks 98% of UV rays. Sunscreen use is still recommended when wearing our UPF 50 styles since no cl