King foam orthotics support your arch from over pronation which can drastically reduce soreness and prevent injury.It will literally feel like walking on a cloud. The king foam dual density arch will custom shape to your foot and the foam compression resistance will provide excellent support. Your shoe will fit like a glove. It can take a few days to break in the arch if you have flat feet. Although it may feel awkward or uncomfortable at first if you have never had orthotics, one they fully break in, you will never go back.