<ul> <li>The new ReactX foam reduces theempreinte carbon footprint of the midsole by at least 43% compared to the previous Nike React foam.</li> <li>Offers an incredibly soft feel and provides 13% more energy return than React foam: so you keep all your energy for more rebound throughout your run.</li> <li>We've integrated woven mesh with a tighter woven fabric in high-wear areas, such as the toe area, to offer better protection when the outside elements are unleashed.</li> <li>The upper is made of woven mesh with vents for enhanced breathability.</li> <li>Flywire technology is integrated into the laces for optimum midfoot support.</li> <li>The outsole features less rubber to ensure a smooth transition from road to trail. But the React midsole is retained throughout.</li> <li>Rubber wraps around the front of the shoe for added durability.</li> <li>The computer-generated grip pattern combined with the rubber forefoot offers more grip on technical trails, while guaranteeing a fluid stride on the road.</li> </ul>