% Marathon Running Shoes. The upper uses the new Vaporweave technology. This cicada wing-like material is lighter, thinner and more breathable than Flyknit. More importantly, it prevents the upper from absorbing sweat and rain. In terms of the midsole, in addition to continuing the full-length shovel-shaped carbon plate, the midsole ZoomX foam volume is increased by 15%. The shape is more similar to Vaporfly Elite, but the weight has not increased.