If he cant slide his feet in, then the heel wont fit, either. They are difficult to get into smaller shoes. It will cut the very small hair without pinching the skin. excellent dance trainers. In conclusion, I could go on about more pros and cons but I will leave it at what I consider to be the major issues. I dont bother with the straps that came with it. I love the light weight material. Flimsy, light-weight (as in nothing to them). But this wasn?t a deal breaker since it will be sitting in the garage anyway. It works (sort of) but with so many other options, this is just not worth buying.