I think it can still be used as it has only been used 1-2 times. - The smooth material unique to AIRism feels good on the skin. - The contact cooling function makes you feel cool and comfortable the moment you put it on. - Dry function that dries easily even if you sweat. - We have developed a new material that uses a material with a strong kickback for tights, which provides a return to movement and reduces fatigue. - Tights that fit naturally without constricting like ordinary sports tights. - Comfortable to wear for long periods of time without any discomfort. - The flat seam sewing makes the seams flat and smooth against the skin. - The ultimate tights that support fatigue resistance in all daily scenes, from running to work. Material Body: 67% polyester, 21% cupra, 12% polyurethane / Waist: 53% nylon, 32% polyester, 15% polyurethane Care Machine wash, use a net