Made from 100% EVA foam, a highly flexible material that remains functional even at low temperatures. High?tensile strength and crack?resistant construction for long?lasting performance. Foam has excellent heal?seal strength for durability under repeated use. EVA foam is lighter than PVC and offers good thermal resistance, enhancing comfort and practicality. Roof?designed to slot into compatible ØRN trousers’ kneepad pockets — sold as a pair for convenience.