ATTENTION: Please refer to the size chart in the pictures before purchasing to ensure a proper fit.🔹 Waterproof Protection: Crafted from 100% waterproof CR Flex-Foam, these boots absorb impact, retain heat, and flex with your movement for all-day comfort.🔹 Superior Warmth: Heat-resistant insulation helps retain up to 90% of your body heat, keeping your feet warm in temperatures ranging from -4°F (-20°C) to 50°F (10°C).🔹 Lightweight & Flexible: Designed with CR Flex-Foam and 4-way stretch nylon, these boots provide a snug, waterproof fit while remaining lightweight for maximum comfort in extreme conditions.