The Girl's Astro Hike Waterproof Boot from Hi-Tec is a sturdy piece of footwear for young explorers. It features Dri-Tec technology for waterproof & breathable protection while the suede & mesh upper offers excellent support & durability. The padded collar & tongue offers excellent comfort for growing feet & the gusset of the tongue helps to keep out debris from the trails. The MDT rubber outsole offers excellent grip across a huge range of terrains to help avoid any accidental slips. The unique Big-Fit system from Hi-Tec allows children's feet to grow, simply remove the volume adjuster when their feet grow & their boots will last that little bit longer.