Incredible cushioning for the neutral runner. Smooth and seamless transition from heel to forefoot. Impeccable Saucony fit and feel. Air mesh upper provides lightweight breathability. Forefoot lockdown locks the foot to the midsole and provides a more secure fit. Premium sockliner for a freshness that's unsurpassed. HRC strobel board increases the cushionig and step in comfort. Heel ProGrid, absorbs impact, dissipates shock and sets the foot up for a smooth ride. SRC impact zone provides shock attenuation and sets the foot up for a smooth transition. With a blown rubber outsole and XT900 in the outsole a carbon rubber material that offers exceptional traction properties without sacrificing durability. Triangular lug design on the outsole for better traction allround.