These are the Lululemon Wunder Under SmoothCover High-Rise Tights in a size 20 Lululemon offers complimentary hemming, and these have been hemmed from their original size. The approximate inseam measurement is around 25-26 inches. With the waist being 18inches (36) These leggings have been authenticated by a Lululemon rep! Message me with questions or for additional measurements! Materials Pocket Lining: 89% Nylon, 11% Elastane Body: 74% Nylon, 26% Lycra Elastane Mid support leggings