This Revolution 8 gets you on your path fast. Our EasyOn technology allows you to step into the shoe while providing a secure, effortless fit. Every stride is cushioned thanks to a foam midsole and a flexible forefoot. The mesh upper is even more breathable than the previous iteration, so it gives you cool, on-the-go comfort. Breathable upper: The mesh upper provides a comfortable, breathable feel. Product Details: Weight: approx. 238g (women's size 5.5). Heel-to-toe drop: 10mm What's new?: Laceless design. Skins for durability