Exceptionally flexible and lightweight, Nike Lunareclipse+ 4 running shoes feature molded blades in the outsole that help you move naturally. Engineered mesh delivers excellent ventilation and targeted support while you run. The smooth, no-sew upper wraps your feet in comfort for a glove-like fit.Upper: Dynamic Fit system with Flywire wraps the midfoot and arch for a glove-like fit. Engineered mesh provides ventilation and support. Mesh midfoot panel with no-sew overlays deliver seamless comfort and increased ventilation. Padded tongue and heel collar enhance comfort. Flat laces reduce irritation.Midsole: Dynamic Support platform offers stability and comfort. Ultra-lightweight, springy Lunarlon cushioning provides soft yet responsive shock absorption. Fitsole sockliner conforms to the shape of the foot for underfoot support.Outsole: Rubber outsole delivers maximum traction and durability with reduced weight. BRS 100 carbon rubber in the heel provides maximum abrasion resistance. Molded blades and flex grooves offer a natural range of motion.