J Crew Navy Wool Blend Mini Skirt. Sz 4. EUC. Approx 29” waist, 18” length. 80% Wool, 20% Nylon. Rethinking the mini. Cold weather-friendly fabrics and a sleek A-line silhouette make our best-selling mini skirt feel modern. Super cute under a chunky sweater or a slim knit. Versatile! Trendy! Hidden back zipper. Lined.