Question: Combat boots are military boots designed to be worn by soldiers during combat or combat training, as opposed to during parades and other ceremonial duties, today, many combat boots incorporate technologies originating in civilian hiking boots, such as what, which  is a waterproof, breathable fabric membrane and registered trademark of W. L. Gore and Associates?
Sentence (from "Combat boot"): They are also often specialized for certain climates and conditions, such as jungle boots, desert boots, and cold weather boots as well as specific uses, such as tanker boots and jump boots.
Relevant evidence: No