Minimal in design, these Nike Revolution 4 running shoes are made of lightweight, single-layer mesh for breathability and soft foam beneath the foot for revolutionary comfort and responsiveness. SHOE FEATURES Underlays in the vamp and toe tip offer support and structure Mesh upper for optimal breathability Molded pods offer multi-surface traction Pods flatten on impact then spring back at toe-off creating a piston effect that delivers responsive cushioning Soft foam midsole delivers lightweight, responsive cushioning SHOE CONSTRUCTION Mesh upper Fabric lining Foam midsole Rubber outsole SHOE DETAILS Round toe Lace-up closure Padded footbed