NIKE Womens Air Pegasus+ 30 Running Shoe Volt/Wolf Grey/White mesh Breathable engineered mesh upper that features strategically placed overlays and a reflective midfoot underlay support panel for comfort and support All new full-length Cushlon foam works with a Nike Zoom unit in the heel for soft, responsive cushioning and great forefoot flexibility Environmentally preferred solid rubber with classic Waffle outsole lugs for durable traction. Lateral rubber blades for added sensory feedback and cushioning