Free up your stride by slipping into sleek, lightweight design of the Nike® Free 5.0 running shoe!This brand is a member of the Sustainable Apparel Coalition.Ideal for the neutral runner new to the natural-running-inspired category. Low-profile midsole and rounded heel help promote a more natural running experience. Highly-breathable engineered mesh uppers with minimal, no-sew synthetic overlays.Flywire built into the laces adds an adaptive fit and structural support. Breathable sandwich mesh tongue. Soft fabric lining and full bootie construction work together to provide seamless comfort. Removable molded insole.Differential: 8 mmRubber outsole boats a waffle pattern that helps absorb impacting shock.Hexagonal flex grooves offer six points of flexibility that allows the foot to move naturally in every direction. Solid rubber under the big toe delivers enhanced traction and durability right where it's needed. Imported. Measurements: Weight: 9 ozProduct measurements were taken using size 11.5, width D - Medium. Please note that measurements may vary by size.