Rubber Rubber Soles sole Platform measures approximately 1 Boot opening measures approximately 16" around EASY TO CLEAN IN MANY COLORS: Choose from a wide variety of vibrant glossy colors to fit your wardrobe perfectly! When cleaning, simply wipe with a damp cloth. These 100% rubber rain boots will last you a long time with minimal efforts towards their care. COMFORT IN ANY WEATHER: These rain boots will prompt you to enjoy rainy days again! Built to accommodate a warm pair of socks, they do run a tad large so please check the detailed specs for your large before purchasing. EASY TO CLEAN IN MANY COLORS: Choose from a wide variety of vibrant glossy colors to fit your wardrobe perfectly! When cleaning, simply wipe with a damp cloth. These 100% rubber rain boots will last you a long time with minimal efforts towards their care.