The winter weather had better watch out when you're wearing the super warm and protective Baffin™ Timber winter boot!Waterproof leather upper with suede panels.Front lace-up system with sturdy D-ring metal hardware.Body-heat moldable, removable liner with B-tek Lite insulation helps keep feet warm. Superlite™ TPU rubber shell base protects against the cold and wet elements. AirGrip® midsole that is molded into the outsole. Durable rubber outsole with Polar® rubber contact points that provides excellent slip-resistance on ice and snow. Temperature rating: 5°C/41°F TO -50°C/-58°F.