Active Brief (PUL)This pant is made of strong quite soft breathable waterproof polyurethane laminate. This pant will help keep you cooler than plastic pants. It is made of strong polyurethane laminate material and should have an increased life compared to plastic pants. It is soft to the touch and should greatly reduce the risk of chafing. 2 Way Stretch - This allows for more flexibility and comfort to the wearer. Machine Washable which is very important and makes garment care a breeze. Gary Manufacturing is still recommending to line dry this garment.