These are fully waterproof over-pants. Thigh length zipper on the sides allow easy, simple on and off even when you keep your boots on. CE-rated armor in the hips and knees is fully removable and adjustable. 420 Denier outer shell is made of NPF (Nylon Polyester Fabric) for durable all-weather protection. These are designed as over pants and will go over your regular jeans or work clothes.