Springblade Nanaya ShoesModern running technology that delivers precision, comfort and speed to every run.Modern technology for a better run. These women's running shoes feature a lightweight sock-like upper with a POWERBAND CHASSIS™ around the heel for a precision fit. The springblade™ midsole has individually tuned energy blades to harness and release energy with every stride.Weight: 9.5 ounces (size 7)Sock-like upper for a snug fitSynthetic overlaysPOWERBAND CHASSIS™ delivers extraordinary lateral stabilityspringblade™'s individually tuned Energy Blades harness and release more of your energy in every stride; Women's-specific fitADIWEAR™ outsole offers the ultimate in high-wear durabilityImported