The Spirale Fur-Lined Wet Terrain Gumboot is a waterproof winter boot designed for cold and wet conditions. It is made of PVC with a cold resistance additive compound that can withstand temperatures down to -15°C. The boot is also lined with synthetic polyester and polyamide lining with 4mm foam for insulation, and a 4mm bio-component felt insole for stability and comfort. The outsole is designed to remain clean and has a wide surface area for stability. Available in sizes 4-13.