 run with nike's apparently when the studies are all in and done they will show that nike shoes do make you run faster i don't know what that's all about but uh... kind of interesting to see what were they the ones where um... i don't know if it was nike or reebok but it had the kind of like a little circle on the top of the tongue and you'd press it and it was like supposed to make air go into the shoe to make it fit and