Design: Refined Fit Knit upper delivers more seamless structure and breathability StealthFit construction introduces an adaptable, closer fit with stretch and compression to move with the foot Integrated tongue streamlines the fit In-Shoe Comfort: DNA AMP midsole technology provides 71% energy return for a springy feel with each step Durability & Traction: Arrow-point pattern in the outsole lets your foot move quickly from heel to toe Additional Details: Weight: 8.6 oz. Offset: 8 mm