This easy to use, alcohol-based leather conditioner works to stretch shoes in those tight spots where they grab the most. Fiebing’s Shoe Stretch-It actually expands the treated areas of the shoe without weakening the leather. This product will not harm skin, socks, or stockings, so it’s completely safe to apply it while you’re still wearing your shoes! Perfect for use on all leather, suede and nubuck shoes and boots. ORMD. Flammable.