MOTHER The Open Back Tank Top in Red. Size L, M, S. 50% cotton 50% viscose. Made in Peru. Hand wash. Back tie closure. Back loop button detail. Lightweight open knit fabric. Item not sold as set. MOTH-WS141. 8526-1105. Los Angeles-based denim vets Tim Kaeding and Lela Tillem debuted MOTHER in the fall of 2010. Their collection offers a stellar fit, ultra comfort, and denim made from fabrics that are soft, stretchy, and cashmere-like. Expect your favorite styles reinvented along with bell bottoms and not-too-skinny skinnies.