HEARTLOOM Siwa Dress in Black. - size M (also in L, S, XL, XS) HEARTLOOM Siwa Dress in Black. - size M (also in L, S, XL, XS) 50% polyurethane 50% polyester. Made in China. Hand wash. Unlined. Pull-on styling. Snap button closure at neckline. Knotted fabric at waist Faux leather fabric. HEAR-WD365. 239d44b. Heartloom is a New York based brand that combines East Coast sophistication with a laid back West Coast style that embodies the modern bohemian sprit. Heartloom is known for a casual, cool and modern sophistication that extends beyond its celebrity west coast clientele. Vintage inspired prints, delicate dresses and knitwear with unexpected, quirky details tell a strong story about the Heartloom lifestyle. Feminine eclectic clothing that is effortless yet polished, providing day-to-evening versatility.