Seafolly Bikini Tops - Seafolly Active Bralette Bikini Top - Black :: Women > Bikinis. Part of Seafolly's Active Collection - made for the surfer. swimmer and runner in all of usMaterials: Nylon. elastane. polyesterConvertible and adjustable shoulder strapsBest suited for A - C cup sizesAdded shape with side boningMinimal support with removable cupsWomen's bikini top Size: 12,14,10.