Notch-bootie construction cradles the foot for a lockdown feel. Perforated upper and open windows on medial and lateral side enhances breathability. Closed-seam toe enhances durability in this high-wear area.Injected unit sole provides lightweight cushioning.6mm wear shelf is engineered to deliver thicker tread in high wear zones for durability. Deep flex grooves allow your foot to move naturally with the shoe. Zonal GDR compound in a herringbone pattern for long-lasting durability and traction. Encapsulated air unit in the heel for durable and versatile cushioning.