Nike Women's Downshifter 7 Running Shoe Leather and Synthetic Imported Rubber sole Shaft measures approximately low-top from arch Lightweight mesh upper provides breathable comfort. No-sew midfoot saddle offers support Full length rubber outsole delivers durability and traction Articulated, full-length Phylon midsole offers lightweight, resilient cushioning Flex grooves promote a more efficient, natural range of motion through toe-off.