Der-Dau Boot Stretch Spray and Ralyn Shoe & Boot Stretch are good shoe stretch fluids. Both items are very well reviewed on the websites of online retailers.
Der-Dau Boot Stretch Spray is ideal for leather footwear. The product is handcrafted in the United States. The company backs its product with a 100 percent customer satisfaction guarantee.
Ralyn Shoe & Boot Stretch comes in 3.5 or 4 ounce bottles. The product is not only recommended for shoes and boots, but also leather gloves. As of 2015, the product costs less than $5. Users report feeling a difference after a single application.