These heavy duty 16” tall commercial grade Joy Fish boots are made in the USA with high-quality PVC material. They are soft, strong, very comfortable and water-proof. They are resistant to many chemicals and acid spills and have an additional thick foam sole for added comfort as well as a convenient “kick tab” for easy removal. Note: The above sizes are shown in men’s US sizes. To calculate women’s sizes add 2 sizes to men’s size.