Buoy Rain Boots for Girls, Rain Boots for Boys, size 1 Sole material Rubber Outer material Rubber Closure type Slip-On Water resistance level Waterproof 100% DURABLE RUBBER MATERIAL: Buoy Boots kids rubber boots, are made to last long! They are built with 100% high quality rubber and waterproof construction. The rubber sole prevents your children from any slips and falls. This ankle boot provides maximum flexibility for your little one. INCREASED COMFORT: The Neoprene insole gives the ultimate comfort for your kids while playing all day with a cozy feeling in the mud, puddle or garden. These are toddler rubber boots kids love to wear all day. DIFFERENT COLORS AND PATTERNS: We highly recommend sizing up to 1 shoe size! With a variety of patterns and prints for boys boots and girls boots, we want them to enjoy their new colorful rain deck boots everyday.m