NIKE WMNS Revolution 4 Running Shoe 100% Leather and Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Mesh upper for optimal breathability. Soft foam midsole delivers lightweight, responsive cushioning. Rubber outsole offers durable traction. Underlays in the vamp and toe tip offer support and structure. Molded pods offer multi-surface traction. Pods flatten on impact then spring back at toe-off creating a piston effect that delivers responsive cushioning.