Stink Free is a shoe deodorizer. 2Toms has researched shoe odour and found the solution to that nasty, stinky shoe stench. Stink Free has been scientifically formulated to eliminate the odour caused by sweat in your shoes! That’s right..The smell of those thousands of sweat glands in your feet is getting trapped in your shoes! If you eliminate the sweat that has built up in your shoes when you wear them, your feet will be less likely to smell. And unlike other products, Stink Free leaves behind no smell.