The FXR Youth Svalbard Boots are built for lightweight warmth and dependable waterproof protection in harsh winter conditions. The fully waterproof polymer boot construction uses high-quality lightweight EVA material for comfortable all-day wear without unnecessary bulk. A removable triple-layer liner with a foil outer helps retain warmth, while the boot is both flex rated and cold rated to -30°C for reliable performance in deep winter temperatures. A nylon gaiter at the top features an adjustable drawstring to help secure the fit and keep snow and debris out.