See Kai Run Kids' Atlas WP Hiking Boot Synthetic Made in USA or Imported Rubber sole Including quilted nylon. Add up to a fun Fresh look that will brighten the stormiest day. dual adjustable hook and loop closure. the full rubber toe cap adds durability. Waterproof!! waterproof materials and membrane construction and water gusset keeps water and debris out. All runners have breathable Sizes 4 to 9 has two Velcro closures and the rest of the sizes has 1 Velcro and a bungee.