Big kid size 5 = 6.5 in women The Nike Flex Experience Run 7 Older Kids' Running Shoe features soft foam that bends and flexes with your foot for lightweight cushioning and a natural feel as you run. A lightweight upper hugs your foot for sock-like comfort. Benefits Soft knit upper and padded collar for comfortable support Mesh in the heel hugs your foot for natural comfort Flex grooves help your foot move naturally Foam cushioning for all-day comfort