Lightweight and breathable recycled mesh upper for a secure fit; Roomy Toe Box allows toes to spread naturally and comfortably; ZipFoam Midsole offers lightweight cushioning with more rebound than traditional EVA; OrthoLite Performance insoles with long-term resilience and anti-microbial properties; Stack Height: 23mm (heel) / 20mm (forefoot); Heel to Toe Drop: 3mm; Weight: 6.3oz (W7); Best for Road Running, Gym