Unleash your stride in the lightweight cushioning and unrestricted performance of the Nike® Free RN running shoe!Predecessor: None.Support Type: Neutral to underpronation (supination).Cushioning: Minimal feel with extreme flexibility.Surface: Road. Differential: 8 mm.Lightweight, breathable knit mesh uppers with thin film overlays. Lace-up closure. Flywire cables are built into the lacing for adjustable, adaptable support. Lightly padded tongue and collar. Soft textile lining offers a great in-shoe feel. Removable foam insole. Updated midsole pattern expands, flexes, and contracts with the foot with each stride. Midsole features a softer foam that provides exceptional cushioning and lightweight durability. Rounded heel mimics the foot's shape and rolls naturally with the ground. Lightweight, solid rubber under the toe and heel deliver reliable traction and lasting wear. Imported. Measurements: Weight: 6 ozProduct measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size.