Used once and air dried. I don't think these will survive me teaching cycle 4-5 times a week. incredibly comfortable and found the they didn't roll down on me - which I appreciate. Smoke free and pet friendly home About the material from Werkshop's website ◇ Buttery Soft and Comfy Athleisure Fabric ◇ Soft Fold-Over Elastic-Free Waistband Eliminates "Muffin Top" ◇ High Front Rise and Down-Dog Approved. ◇ Original Artwork by our female founder, Chriztina Marie. ◇ Perfect for lower endurance activities & casual everyday wear.