Marysia Swim Scallop Bikini Bottom in Black. - size S (also in XS) Marysia Swim Scallop Bikini Bottom in Black. - size S (also in XS) 88% nylon 12% lycra. Hand wash cold. Scalloped trim. MSWI-WX33. SB028. Marysia SWIM was born out of designer Maria Dobrzanska Reeves desire to fill the void within the swimsuit industry. She wanted to create a boutique brand for todays fashionable women who appreciate high quality and design with a flattering fit. These ambitions led to the launch of marysia SWIM in 2008, which puts attention to detail, impeccable fit, and overall quality at the forefront of its designs. The bathing suits have found favor among editors and those seeking effortless sophistication.