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That’s thanks in large part to its midsole, which is made of polyolefin (POE), a softer, more durable material than standard EVA.—Outside, 9 Dec. 2025 The polyolefins Marks is referring to are what trash bags, plastic wrap, squeeze bottles, and other disposable single-use packaging are made of.—Abhimanyu Ghoshal, New Atlas, 7 Sep. 2025 Both types also predominantly released four types of synthetic polymers: polyolefins, polyterephthalates (or polyethylene terephthalate), polyacrylamides and polystyrenes.—Kristen Rogers, CNN, 25 Mar. 2025 The bonds of polyolefins are also notoriously hard to break.—Elizabeth Rayne, Ars Technica, 21 Sep. 2024 Just by adjusting how much of each polymer type goes into the multiblock polymer, our team created a wide range of materials with properties that spanned across polyolefin types.—Emma Rettner, The Conversation, 19 Oct. 2023 The cell consisted of a double-coated anode and a double-coated cathode surrounding a polyolefin separator, rolled up together.—IEEE Spectrum, 24 Aug. 2017