AERO|TECH|DESIGNS ATD Womens Spandex Tights Stretch Workout Pant UNPADDED Leggings Fabric has a high spandex content for superior comfort and compression. They offer support during exercise which helps reduce fatigue. Highest quality material is virtually indestructible. Fabric: 80% Nylon and 20% Spandex 7.6 ounce high gauge tricot. Machine Wash and Air Dry for longest life. Sizing Notes: We recommend using this size chart for spandex workout tights. They fit like you see in the photographs. * Chamois Pad is breathable and it lets water vapor and perspiration move away from the bod Choosing a size is based on how much compression you want during your workout. If you understand and want alot of compression, order a size smaller, it will fit you fine. If you want it loose fitting and airy with space in the legs order a size larger. This tight is very flexible with 20% spandex. Woman's Size: XS 0-2; Small 4-6; Medium 8-10; Large 12; XL 14-16; XXL 18-20; 3XL 22-24; 4XL 26-28; 5XL 32-34