Designed for the mid-foot over-pronator, the new Road M 2 delivers a smooth, race ready running experience. Nimble enough for tempo workouts and well cushioned for long training runs, the M 2 sets a new standard for performance plus stability right where you need itSeamless Upper with lightweight TPU film and bonded synthetic, cradles the mid-foot while allowing the forefoot to splayTransfer Dry spacer mesh keeps feet cool and comfortableHigh-density post at medial mid-foot is engineered for pronation controlBlown rubber in the forefoot and carbon rubber in the crash pad combine for great cushioning and abrasion resistanceDynamic Offset: 4mm at initial contact to 7.5m mat mid-stanceHeel Stack height: 23mm (includes midsole and outsole)US Sizes: 5-12Weight (US Size 8): 8.9oz / 252g