Premium ProModal custom fabric. NO frills. This is your classic, smart, eco-friendly Yoga short with tall waistband & a touch of Lycra - w/no extra elastic to dig in to your skin: the most comfortable shorts you will ever wear. ProModal wicks 50% more moisture than cotton; made from Beech wood & Eucalyptus from sustainably farmed trees. (S:2-6, M:6-10, L:8-12).