Polyester, Nylon. Lining: Nylon, Spandex. This workout shorts with soft, comfy and breathable fabric$The fabric is lightweight and feels cool to the touch, not thick or hot fabric.$running shorts women with elastic waistband, it is stretchy and comfortable. It has stretchy spandex-ish underwear liner does not rid up and doesnt give you the feeling of granny panties.$Dressy but casual sandals combined function with fashion, easy to match with any clothing whatever in summer, fall, winter or spring, whether it is a raining or a sunny day.$TPR outsole delivers long-lasting durability on a variety of surfaces.Soft fabric lining ensures an abrasion-free environment for all-day wear.