The renowned Arktis occupational boot is now available with the TractionPro friction sole, developed (primarily) for safety footwear. The Primaloft® lining material keeps the heat from the foot inside the boot even if the material is compressed. Primaloft® keeps the feet 38% warmer in dry conditions, and twice as warm in wet conditions compared to competing materials. Primaloft® is made from 90% recycled fibres from plastic bottles. The laces on top protect the foot even in very snowy conditions.
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 20345:2011 standard.
Antistatic footwear releases in a controlled manner static electricity accumulated in the body. The resistance limits are 100 kΩ - 1000 MΩ.
The upper material used in this footwear is water repellent. Its water resistance meets the requirements of the EN ISO 20345:2011 standard.
Shock-absorption of the heel is a requirement of EN ISO 20345:2011 and EN ISO 20347:2012 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 and being heat resistant up to 300 °C. The mid-layer
of the sole is of shock absorbing FlexStep® material.
The footwear is suitable for cold conditions. Depending on the model, the insulating material is lamb’s wool, artificial fur or Primaloft® insulation.
The footwear is suitable for use in hot conditions. Sievi’s nitrile rubber sole withstands temperatures up to 300 °C.
Sievi ALU insole features a heat-insulating aluminium layer. The aluminium foil of the insole reflects the cold out and the heat inward.
The footwear is equipped with Primaloft® thermal insulation made with 90 per cent recycled materials. Waterproof, breathable and extremely light, Primaloft® thermal insulation keeps your feet dry in any conditions.
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.