Since 2012, the brand has stood as a wearable interpretation of attainable style for all occasions. ASTR The Label Arabella Open Back Sweater - Black / Silver. Materials: 34% Polyester, 29% Acrylic, 19% Lurex, 41% Nylon, 4% Wool Pull on Metallic fabric Open back Mock neck Long Sleeve Care: Dry clean only *All sale items are FINAL SALE Size Chart Brand Bio Taking inspiration from the latest trends and affinity for all things feminine, the creative collective behind ASTR The Label aims to immerse their customers into a world of effortless beauty. Open back adds drama.