- To Suit B to C Cup - Centre Front Knot Detail - Adjustable And Convertible Straps - Textured Towelling Inspired Swim Fabric - Back Clasp Fastening - Crystal Embellishment The Topkapi Pop Tri Bikini Top With Knot Front is a handcrafted silhouette designed by our in house artisans. Reimagined in an exclusive limited edition print, this textured towelling inspired triangle bikini top is made with B to C cups in mind with adjustable and convertible straps and back clasp fastening for versatility. Features a knot detail that the front between the bust and it's finished with crystal embellishment for luminous detail.