Polyester (40%), Polyurathane (60%). Isotex waterproof footwear, seam sealed with internal membrane bootee liner, Hydropel water resistant technology. High performance waterproof, breathable and windproof membrane technology, for outstanding waterproof footwear. Easy clean, surface protectant which repels water allowing rain to bead. The padded collar and tongue support the ankle. Built for long days outdoors. Hardwearing rubber outsole provide lasting comfort. Waterproof, hardwearing and cushioned, our Samaris V Mid Junior kids' hiking boots will get them ready for mini adventures. Featuring our Isotex technology, the boots are fully waterproof to prevent rain and splashes getting through. They're breathable too to keep little feet fresh. The kids' walking boots come with a moulded EVA footbed for comfort and there's a hardwearing XLT sole unit for added traction and to protect from bumps along the way. The hook and loop fastening provides easy on/off wear. The kids' boots are perfect for little adventurers.