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Rated down to -40degF, the Baffin Flame winter boots for kids feature a hot flame design and plenty of protection to keep them playing in the snow all day long. Rugged nylon uppers are waterproof, flexible and durable; polyester linings wick moisture away from feet and dry quickly for lasting comfort. Nylon speed laces with cordlocks ease entry and exit, and help keep snow from getting in. Removable, multicomponent liner system ensures moisture management, soft comfort and cozy warmth down to -40degF; aluminum membrane reflects body heat back into boots. Reflective piping increases visibility in low light. External molded arches on outsoles provide support for all-day play. Thermoplastic rubber outsoles remain flexible in cold temperatures; aggressive sole pattern resists clogging and offers exceptional traction.