Fit & Design: Revamped upper made from heat pressed TPU embroidered yarns Soft, lightweight foam on top with rubberized foam directly beneath Pull tab In-Shoe Comfort: Softer and bouncier than the previous iteration Refined collar shape that alleviates pressure on the Achilles Anatomical Achilles construction Engineered mesh delivers breathable comfort Removeable, molded EVA sockliner PROFLY(TM) midsole gives a cushioned landing and propulsive toe-off Early stage Meta-Rocker offers smooth ride Durability & Traction: Rubberized EVA outsole provides lightweight ground contact and responsive cushioning Additional Details: SPRING MEASUREMENT: 39x25mm VOLUME: 642.00cm3 WEIGHT: 8.60oz HEEL TO TOE DROP: 5.00mm