OPCC Beautifull Fashion Waterproof Foldable Rain Boots Shoes Boots Water Resistant Rain Boots Covers Protector for Children Women Girls Boys Men Compact, foldable, easy to carry in bag Zippered boots with adjustable strap The bottom of the M shoe cover long is 9.8 inches. The bottom of the L shoe cover long is 10.2 inches. The bottom of the XL shoe cover long is 10.6 inches. The bottom of the XL shoe cover long is 11.2 inches.