Triangle Bikini Bottoms In Black Heidi Klein Core Collection Black Triangle Bikini Ark Swimwear Fisico Triangle Bikini Black Women CR36CS13MOF0009 Triangle bikini with logo EA7. This black swimsuit is made of lycra, features hand applied Guipir*, giving it a unique and exclusive design. The piece combines the practicality of a swimsuit with the sophistication provided by the embroidery, designed to highlight femininity and create a stunning look, suitable for wearing as a bodysuit or swimsuit. *Guipir is a highly sophisticated lace technique, an art form that holds a special place in haute couture fashion and is appreciated for its beauty and complexity.