Ideal clipless cycling shoes for walking do not exist. If your commute is such that you don't need to change when you get to work, maybe you don't need to clip in and should get some platforms and half clips. https://static.modernbike.com/256/main_2126215704.jpg
https://static.modernbike.com/256/ma...0125035540.jpg
If you are changing when you get to work, change your shoes.