NIKE Women's Free Rn Flyknit 2018 Running Shoe Synthetic Imported Shaft measures approximately Low-Top" from arch Dri-FIT fabric to wick sweat away and help keep you dry and comfortable Elastic waist with interior draw-cord - to ensure you get the best possible fit and comfor Reflective strips on the side-seams to help you stay visible in poor weather conditions Flat-seam construction to minimise chafing and give you a much comfier run Zip pocket on the back to help you carry keys, money or an MP3 player