The crochet bikini or crocheted bikini is a knitted swimwear or bikini that has been worn since at least the 1970s. The style gained attention in the late 2010s as a form of boho-chic style and as new brands emerged.A crochet bikini created by Brazilian street artist Maria Solange Ferrarini has been the center of several lawsuits that received international attention. Turkish American entrepreneur Ipek Irgit took the idea of Ferrarini's crochet bikini during a visit to Brazil and claimed copyright on the design. Since starting her company in 2013, Irgit has made copyright claims against any similar swimwear and never credited Ferrarini. In 2019, Ferrarini was awarded her own copyright on the design she created.