Product Name : Under Armour Storm Rival Jogger Pant In Black (Men) / Under Armour Jog & Track Pants Model : Men Clothing 813 Under Armour Storm Rival Jogger Pants in Black. Looser fitting for optimal comfort, the UA Storm technology repels water without compromising breathability. Durable but soft cotton-blend fleece inside, articulated knees, rib cuffs and tapered leg. Fabric: This product is 80% Cotton and 20% Polyester.Product Care: Machine wash 30C. Do not tumble dry.