1. Cut the insole to your correct shoe size.
2. Pull NotSocks bamboo charcoal insole cover over the insole.
3. Insert insole into your shoe. Now enjoy a cleaner sockless lifestyle!
My son immediately took them out because he could feel where the sock's opening was bumping through the underneath of the sole. Kind of like a princess and the pea situation. But I bought four of them and now I have to figure out how to use them...