Rhythm Fern Underwire Bikini Top. The Rhythm Fern Underwire Bikini Top combines floral charm with supportive, flattering design. Featuring an allover floral pattern, this top offers underwire support and a lined construction for comfort and shape. Adjustable straps and a back tie closure ensure a customizable fit, while a small metal badge adds a polished, branded touch. Perfect for beach or poolside wear, this bikini top blends style, support, and everyday ease. 82% Polyamide 18% Elastane. Hand wash. Imported.