Ella Moss Boho Nuevo Retro Bikini Bottom in Purple. - size XS (also in ) Ella Moss Boho Nuevo Retro Bikini Bottom in Purple. - size XS (also in ) 80% nylon 20% elastane. Hand wash cold. Stretch fit. ELLA-WX70. EM35356. Founded in 2001, Ella Moss has mastered the laid-back sophistication of the brands Los Angeles roots. Feminine, refined, and fashion-forward, the collection is known for their inherent mix of style, colors, patterns, and textures to create a look that is uniquely their own. For the girl who knows how to dress up a tee and dress down a maxi, Ella Moss offers coveted must-haves for the modern girls dream closet.