Tuff Toe will extend the life of your boot by 3 Times! In tough work environments, boot toes are usually the first thing to wear out. With Tuff Toe, you will never tear out the front of your expensive work boots. Our ballistic-grade polyurethane adhesive is the same material used by NASA. It is waterproof and will resist punctures, chemicals, and stains. It can be used on any shoe material and nearly any surface that is exposed to rough wear, from boots to saddles to tools.