Recycled engineered mesh upper provides a secure, well-ventilated fit; Roomy toe box allows toes to spread naturally and comfortably; ATPU foam delivers maximum cushioned comfort combined with high energy return; Redesigned rocker geometry promotes a faster and smoother toe-off during speed workouts and up-tempo training; ATPU insole cuts weight while providing an extra layer of direct-underfoot rebound; Revamped rubber outsole provides increased grip, traction, and durability across varying road conditions; Best for Up-Tempo Training; Stack Height: 39 mm (heel) / 34 mm (forefoot); Heel to Toe Drop: 5 mm; Weight: 6.3 oz (W7)