Nike Black Nylon Lined Track Pants Medium Elastic Waist These Nike track pants are made from 100% nylon with a lining of 65% polyester and 35% cotton for comfort. The pants are black with an elastic waistband and feature side pockets and ankle snaps for adjustable fit. The size is Medium as per the label. They show light wrinkling from storage but no visible stains or damage. Made in Hong Kong, these pants are great for casual sportswear or streetwear. Care instructions include machine wash cold, tumble dry low, no bleach or ironing.