The Patagonia Women's Kupala Bikini Top is a triangle bikini swimsuit top with adjustable crossover ties. Front elastic under-bust band offers greater support and removable, side-entry soft cups for full coverage completes the package. Features: Durable nylon/spandex blend Front lining now made of a beautiful nylon/spandex fabric blend designed specifically for use in swimwear Removable, side-entry soft cups Supportive elastic band under the bust Fabric: Outer: 82% nylon/18% Spandex Lining: 88% nylon/12% Spandex jerseySee "Overview" below for more sizing information.