ISA BOULDER Caught Triangle Bikini Top in Turquoise. - size XL (also in L, M, S, XS) ISA BOULDER Caught Triangle Bikini Top in Turquoise. - size XL (also in L, M, S, XS) Self: 75% nylon 25% elastane Lining: 90% polyester 10% elastane. Hand wash cold. Unpadded cups. Halter and back self-tie closure. Crochet layered design with reversible styling. Midweight jersey swimwear fabric. Item not sold as a set. IBOU-WX13. SS25 WST10.