MOTHER The Athletic Skirt in Blue. Size L, M, S. 100% acetate. Dry clean only. Unlined. Pull-on styling. Front embroidered logo detailing. Midweight satin fabric. Item not sold as a set. Skirt measures approx 30 in length. MOTH-WQ120. 90981-1733. 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.