These are “The Perform 24/7 Legging” by Everlane. They are made of recycled nylon and elastane. Not only soft and lightweight but they go to the ankle so great for fitness or just lounging in. These leggings are new with tags so no flaws and in great condition. I have 4 mediums. Measurements included in photo with materials tag for size medium. These are no longer available on the everlane website. Item # 86