Reformation Mia Low Waist Linen Skort $128 Las Dalias Designed to be fitted at waist with an A-line skirt. This item runs large. We recommend sizing down. his is a plain weave sheeting fabric made from 100% Linen. Wash cold + dry flat. Linen is made from flax. We love flax because it's renewable, grows quickly and has a much lower water footprint than conventional cotton.