This Frost Fighter Warm boot from Viking is built for the coldest days with a lightweight Elastopan outer body and an ultra-warm wool/polyester lining that insulates down to -20 °C. A Thermo membrane and PU midsole boost insulation and protection while the rugged outsole delivers dependable traction on snow and ice. The detachable wool/polyester insole makes drying and fit adjustments simple, and the durable PU upper stands up to active winter play. This warm, comfortable winter boot balances performance and simplicity, making it a premium, practical choice for parents shopping for winter footwear for kids.