Bogs Kids Baby Solid Rain Boot (Toddler) Neoprene Imported Rubber sole Shaft measures approximately 6" from arch Boot opening measures approximately 10" around Waterproof and light weight rain boot is made with a durable rubber over a four-way stretch inner bottie for dry feet Made with 3mm Neo-Tech insulation to keep feet warm and comfortable in cold weather. Comfort rated to 14 Degrees F/-10 Degrees C The soft fuzzy plush lining adds an extra snuggly feel on cold wet days The combination of a hook/loop strap and sturdy handles makes these winter boots easy for little kids to get on and off Contoured footbed with earth-friendly bio-technology helps fight unwanted odors. Machine washable when the boots get dirty