Arktis XL

Long leather boots for winter conditions. Ultralight, water-resistant and breathable PrimaLoft® insulation with aluminium and felt insoles that guarantee excellent heat insulation. Upper material is durable, water-resistant PU leather. Adjustable with laces on top for a perfect fit. The friction patterned polyurethane sole gives optimal grip in slippery conditions.

Primaloft®

The footwear features thermally insulating and breathable Primaloft fi bre. Primaloft fi bres improve the thermal
insulation by binding more air molecules between the body and the outside air.

Warm lining

Footwear displaying this symbol can be worn in cold
environments. The material keeping the cold out is either lamb’s
wool or artifi cial fur. Additionally, some styles are lined with
Thinsulate™ fi ber.

Single Density PU

The footwear sole is made of FlexStep® material. This single
density microporous structured polyurethane sole offers very
high slip-resistance and fl exiblity providing excellent shock
absorption.

FlexStep®

The shock-absorbing heel area protects the feet and the skeletal system against stress. The product meets the requirements of EN ISO 20345:2011 and EN ISO 20347:2012: the shock absorption capacity of the footwear is at least 20 J. The cushioning effect is guaranteed by the use of FlexStep® sole material in all Sievi footwear.

FlexStep®

The microporous FlexStep® sole material developed by Sievi maintains its excellent shock absorption and flexibility in freezing conditions and creates excellent friction on slippery surfaces. The construction of the FlexStep® flexible sole eliminates stress and shocks to the feet and spine. The FlexStep® flexible sole is featured on all Sievi footwear.

Antistatic

Footwear designed with antistatic features, discharges the
body’s static electricity up to tolerances of 100 kΩ - 1000 MΩ.

Thermo Alu

Sievi ALU insole features a heat-insulating aluminium layer. The aluminium foil of the insole reflects the cold out and the heat inward.

Water repellent

The upper material used in this footwear is water repellent. Its water resistance meets the requirements of the EN ISO 20345:2011 standard.

Resistance to oil and many chemicals

Sievi’s sole resists oil and many chemicals. The oil resistance of Sievi footwear meets the requirements of the EN ISO 20345:2011 standard.

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.