Complete your costume from head to toe in these white vinyl knee high go go boots! White boots with zip up side for easy on and off. Easy to walk in 3-inch chunky heel. Medium width. Small is 13 inches in diameter at the top; Medium is 14 inches; and Large is 14.5 inches. *NOTE-All costume shoes and boots tend to run a half size small. If you are in doubt, order one size UP.* Perfect for your 60's go go costume, super hero costume, or other sexy costume!