Insoles are the padded layer inside a shoe that your foot rests on, and they absorb sweat, oils, and grit with every step. Over weeks of wear, that buildup turns into odor, and the smell often comes from the liner rather than the shoe itself. Cleaning the insoles reverses the problem, and the job takes […] The post How to Clean Shoe Insoles: 3 Methods That Work appeared first on Building and Construction .