ROAD - TRAIN NEUTRALA must-have for the high mileage neutral runner or a supple yet responsive recovery shoe the Road N3 offers ultimate training comfort3-D Seamless Print Upper Technology adds lightweight structure and upper integrityDynamic offset-shaped E:MOTION midsole is biomechanically tuned for the neutral runner looking for maximum cushioning and all-day comfort1:1 Energy Foam in forefoot cushions upon impact and returns energy back to the runner during propulsion1:1 Energy Foam in heel cushions upon initial ground impactBlown rubber in the forefoot and carbon rubber in the crash pad combine for premium cushioning and abrasion resistanceDynamic Offset: 4 mm at initial contact to 7.5 mm at mid-stanceHeel Stack Height: 27mm (includes midsole and outsole)Weight: 289g (Size 8 U.S.)