Rubber sole. All sizes are Euro sizes WARM PLUSH INSIDE: The lining of girl snow boots is soft and thick plush faux fur, so as to keeps feet warm and comfortable all-day long. It's perfect for winter's worst days. ANTI-SLIP OUTSOLE: The toddler winter shoes sole is made from higher quality material which have great friction, slip-resistant and waterproof sole, the non-skid bottom makes the snow boots waterproof than other boots, keeps your kids safety in any kind of outdoor activities. WATERPROOF BOOTS MATERIAL: Boys and girls winter boot is crafted of waterproof textile construction to keep you warm and dry during the chilly weather. ADJUSTABLE CLOSURE: The winter boot features a convenient velcro closure for an adjustable, Easy to pull on and off for kids by themselves, so toddler boots is secure fit. GREAT GIFT FOR KIDS: This lightweight warn boots suitable for cold weather winter days, great for activities like camping hiking running playing sledding ski trip. Snow Boots brings the happiness to every member and winter boots provide a happy place and true relaxation for kids feet. Miman Kids Winter Boots Waterproof Lightweight Kid Snow Boots With Fur Outdoor