Safety shoe Sievi Alaska Thermo BTH XL+ S3
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                            The integrated Bluetooth®-enabled Therm-ic heating system in the shoe provides warmth for an entire workday on a single charge. You can adjust the temperature, check the battery status, and choose different heating settings directly from the Therm-ic app on your smartphone. The sheepskin lining, TractionPro® slip-resistant sole, spacious XL last, and PrimaLoft® thermal insulation make the Alaska Thermo a superior winter boot.                         
                        
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