NEUTRAL: For runners who need a balance of flexibility & cushioning. Threadborne knit upper for a breathable, compression-like fit that delivers lightweight directional strength. Reflective threads throughout upper to increase safety & visibility during low-light training. Molded heel cup offers a form-fit that keeps the foot from sliding. Ribbed ankle collar provides a snug, bootie-like fit with an extended cut for unparalleled support. Lacing system features deeply cut eyestays built to move freely with the foot. Molded Charged Cushioning® sockliner forms to the foot for a personalized fit & unrivaled comfort. Dual-layer Charged Cushioning® midsole uses compression molded foam for even greater responsiveness & durability, providing optimal cushioning & energy return. Multi-surface traction patterned outsole engineered to grip any surface. Anatomically placed flex grooves offer proper flexibility in key areas. Reflective detailing under the heel for increased visibility. Offset: 4 mm. Weight: 8.8 oz.