Nike Women's Air Pegasus+ 29 Running Shoe synthetic-and-mesh UPPER: A breathable engineered mesh upper that features strategically placed overlays and soft yet strong 3D screen detail for comfort and support. MIDSOLE: All new full-length Cushlon foam works with a Nike Zoom unit in the heel for soft, responsive cushioning and great forefoot flexibility. OUTSOLE: Environmentally preferred solid rubber with classic Waffle outsole for durable traction. Lateral rubber blades for added sensory feedback and cushioning.