Multi directional traction in the heel and forefoot for uneven trail surfaces. Incredible cushioning for the neutral runner. Durable materials in the upper for protection in rugged conditions. The single layer of mesh in the upper provides lightweight breathability, with forefoot lockdown which locks the foot to the midsole and provides a more secure fit. With the technological advatage of HRC Strobel board, which increases cushioning and step in comfort. Saucony's latest cushioning technology ProGrid in the heel, absorbing impact and dissipating shock. The ever excellent Compression moulded AVA material that gives the midsole durability, and responsive cushioninig but keeping it lightweight.SRC Impact zone will provide even more shock attenuation, whilst setting the foot up for a smooth transition.XT900 rubber outsole material that offers exceptional traction propertises without sacrificing durability. Even more stability is present with the addition of multi directional triangular lugs on the sole.