Asbestos Safety Shoes Upper of our asbestos safety shoes are made of closely woven high heat resaretance amc-41 asbestos chrome leather lining are provided inside the shoes closed tongue soles are made of leather nitrile combined with asbestos for heat resaretance very ideal for foundries Furnaces as well as high heat work station very ideal for foundries Furnaces as well as high heat work station sizes 6 to 10