Recycled engineered mesh upper provides a breathable, lightweight fit; Roomy toe box allows toes to spread naturally and comfortably; Pebax powered midsole delivers lightweight high performance and superior energy return; Rubber sole increases traction and durability; Stack Height: 37mm (heel) / 32mm (forefoot); Heel to Toe Drop: 5mm; Weight: 7.0oz (W7); Best for Road Running, Tempo Runs, Race