Alaska Thermo XL+ S3 HRO

Alaska Thermo XL+ S3 HRO

Size
39 - 47
Product code
48-52423-373-08M
Safety class
EN ISO 20345:2022 S3 CI FO HRO SC SR
Toecap
Aluminium
Penetration Resistant Midsole
Steel
Sole material
Double density PU/RU, TractionPro
Upper material
PU coated leather
Lace length
110 cm

The Alaska Thermo features an integrated, separately rechargeable and easy-to-use THERM-IC heating system that can heat your feet all day with just one charge. Every aspect of the shoes has been designed for cold conditions. Lamb's wool lining, wide fit, PrimaLoft® insulation and high-friction rubber soles which retain their flexibility even in extreme cold make Alaska Thermo the ultimate winter shoe.

Aluminium

The toecap protects toes from falling objects and compression. Meets the requirements of the EN ISO 20345:2022 standard: shock resistance is 200 J and resistance to compression 15 000 N. The aluminium toe cap is 50 % lighter than conventional steel toecaps.

Steel

The steel midsole prevents sharp objects from penetrating the sole. Meets the requirements of the EN ISO 20345:2022 standard: resistance to nail penetration is 1100 N.

Resistance to oil and many chemicals

The footwear sole resists oil and many chemicals. The oil resistance of Sievi footwear meets the requirements of the EN ISO 20345:2022 standard.

Antistatic

Antistatic footwear releases in a controlled manner static electricity accumulated in the body. The resistance limits are 100 kΩ - 1000 MΩ.

Water repellent

The upper material used in this footwear is water repellent. Its water resistance meets the requirements of the EN ISO 20345:2022 standard.

Shock-absorbing heel

Shock-absorption of the heel is a requirement of EN ISO 20345:2022 and EN ISO 20347:2022 standards: the shock absorption of the footwear must be at least 20 J. In all Sievi footwear the cushioning effect is guaranteed by the use of FlexStep® sole material, see FlexStep® for more information.

Double density PU/RU

The footwear sole consists of polyurethane and rubber. The PU/rubber friction sole features excellent grip and wear resistant properties. The mid-layer of the sole is made of shock absorbing FlexStep® material. Heat resistant up to 300°C.

Warm lining

The footwear is suitable for cold conditions. Depending on the model, the insulating material is lamb’s wool, artificial fur or PrimaLoft® insulation.

Heat resistance

The footwear can be worn in hot environments. Sievi’s nitrile rubber sole withstands temperatures up to 300 °C.

XL-last

Sievi XL ranges. These extra wide styles offer more space and comfort for the wearer. For footwear with XL width fi ttings see “XL” in the product name.

Thermo heating system

Footwear equipped with the integrated Thermo heating system keeps your feet warm even in the most extreme conditions. The rechargeable heating system provides heating for up to 22 hours (1st setting) with one charge.

PrimaLoft®

The footwear has PrimaLoft® thermal insulation, which is made with 90% recycled materials. Water repellent, breathable and very light, PrimaLoft® thermal insulation keeps your feet dry in all conditions.

FlexStep®

The microporous FlexStep® sole material developed by Sievi maintains its excellent shock absorption and flexibility in freezing conditions. The structure of the FlexStep®flexible sole prevents strain on the feet and spine and absorbs shocks. The FlexStep® flexible sole is featured on all Sievi footwear.

TractionPro

Sievi TractionPro® is a sturdy friction sole that gives stronger grip on slippery surfaces. The unique sticky rubber sole, together with the FlexStep® interlayer, developed by Sievi, ensure that the sole remains flexible in all conditions. The Sievi TractionPro® sole's structure and design, with its deep and sharp-edged tread profile, are designed to maximise friction and maintain grip on different surfaces.

UK Design No. 6227543
UK Design No. 6227544

52423 373 08M
POHJA 48 373 MUSTA ORANSSI10
52423 373 08M
POHJA 48 373 MUSTA ORANSSI10
  • Size
    Product
    GTIN
  • 39
    48-52423-373-08M
    6438157182326
  • 40
    48-52423-373-08M
    6438157182333
  • 41
    48-52423-373-08M
    6438157182340
  • 42
    48-52423-373-08M
    6438157182357
  • 43
    48-52423-373-08M
    6438157182364
  • 44
    48-52423-373-08M
    6438157182371
  • 45
    48-52423-373-08M
    6438157182388
  • 46
    48-52423-373-08M
    6438157182395
  • 47
    48-52423-373-08M
    6438157182401