The Therm-ic heat kit with Bluetooth® function, integrated in the shoe, provides warmth for the whole working day with a single charge. Adjust the temperature, check the battery status and select heat settings directly from the Therm-ic app on your smartphone. Sheep wool lining, TractionPro® friction sole, spacious XL fit and PrimaLoft® heat insulation make Alaska Thermo the ultimate winter shoe.

Standard

EN ISO 20345:2022 S3 SR SC FO CI HRO

Perforation resistance

Steel

Toecap

Aluminium

Model

Boots

Upper material

PU coated leather, Split leather

Lining

Warm lining , PrimaLoft®

Orthopedic insole

Yes

Sole properties

Shock-absorbing heel, Antistatic, Heat resistance HRO, PU scuff cap, TractionPro®, Oil resistant outsole

Removable insole

Thermo heating system

Sole material

Double density PU/RU

Closure system

Zipper + shoe laces

Shoe lace length cm

200

Upper's height cm

Last

XL-last

Additional features

Slip resistance SR, Oil resistant outsole, Cold insulation of outsole structure, Heat resistant outsole, Scuff cap

Other properties

Snow lock, Therm-ic Bluetooth® , Water repellent upper

Winter Boots SIEVI Alaska Thermo BTH XL+ S3 HRO

Customer Reviews