Vix Swimwear Alexa T Back Triangle Bikini Top in Orange. - size S (also in L, M) Vix Swimwear Alexa T Back Triangle Bikini Top in Orange. - size S (also in L, M) 75% polyamide 25% elastane. Hand wash. Padded cups. Back tie closure. Lightweight swimwear fabric. Item not sold as a set. VIXS-WX1340. VH251145. Brazilian designer Paula Hermanny offers swimwear made for the jet setter who is both classic and modern. Whether her Vix woman is in St. Barts, Bali, or Monte Carlo, Hermanny's collection of swimwear, which features leather and gold signatures, will always add an element of luxury to the occasion.