The Revolution 8 is an evolution of your faithful favorite. Every stride is cushioned thanks to a foam midsole and a flexible forefoot that makes your steps soft. Plus, the mesh upper is even more breathable than the previous iteration, so you can run in cool, collected comfort. Design: Mesh upper offers a comfortable, breathable feel Touch points at the heel and tongue create a natural feel as you take the shoes on and off In-Shoe Comfort: Foam midsole delivers intuitive cushioning through comfort-focused rocker geometry Durability & Traction: Outsole has an intuitive Nike design and flex grooves in the forefoot that create a comfortable and cushioned effect as you run Additional Details: Mesh on upper is more breathable than the Revolution 7, helping keep you cool Weight: Approx. 236g/8.3oz (Women's US 8) Heel-to-toe drop: 10mm