Ella Moss Isabella Off Shoulder Top in Black. - size M (also in XS) Ella Moss Isabella Off Shoulder Top in Black. - size M (also in XS) 70% modal 30% poly. Elasticized neckline. Bodice overlay with contrast lace trim. ELLA-WS2777. ET17775. 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.