Nike Free RN 2017 Women's Running Shoes Blue/Black

Made for running One-to-one fit - Dynamic Flywire cables Breathable support - Engineered mesh Enhanced flexibility - Tri-star outsole pattern Natural fit - Minimal heel design Comfort and durability - Co-moulded midsole Smooth transition - Rounded heel Weight: 6.2oz (women's size 8) Offset: 7 mm (13 mm heel, 20 mm offset) Keep on track with Nike's Flex 2017 RN Women's Running Shoe. Built to flex, the Flex 2017 RN has a one-piece engineered mesh upper, an adaptive heel design and a moulded tri-star outsole pattern work. The rounded heel works for a smooth transition as you touch down. The co-moulded midsole uses a softer injected Phylon (IP) core foam directly underfoot and a slightly firmer injected unit sole (IU) carrier foam to deliver comfort and durability every step of the way.