Viper Roller+ S3
Viper Roller+ S3
Durable and sporty shoes with composite toecaps and BOA® Fit System. 3D-dry® lining makes the boots breathable. Double-layer soles are extremely durable and flex grooves ensure that the boots are highly flexible. FlexStep® soles for excellent shock absorption.
Durable and sporty shoes with composite toecaps and BOA® Fit System. 3D-dry® lining makes the boots breathable. Double-layer soles are extremely durable and flex grooves ensure that the boots are highly flexible. FlexStep® soles for excellent shock absorption.
![](/assets/Uploads/SetWidth100-Varvassuoja-komposiitti.png)
Composite
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 composite material toecap is completely metal free and insulates well against heat and cold.
![](/assets/Uploads/SetWidth100-Naulaanastumissuoja-teras.png)
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.
![](/assets/Uploads/SetWidth100-Oljyn-ja-useiden-kemikaalien-kesto.png)
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.
![](/assets/Uploads/SetWidth100-feature-antistaattinen2.png)
Antistatic
Antistatic footwear releases in a controlled manner static electricity accumulated in the body. The resistance limits are 100 kΩ - 1000 MΩ.
![](/assets/Uploads/SetWidth100-Vetta-hylkiva.png)
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.
![](/assets/Uploads/SetWidth100-Joustopohja.png)
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.
![](/assets/Uploads/SetWidth100-Pohjamateriaali-PU-TPU.png)
Double density PU/TPU
The double density sole consists of polyurethane and elastic thermoplastic polyurethane. The outsole is wear resistant and the mid-layer is made of shock absorbing FlexStep® material. Heat resistant up to 120°C.
![](/assets/Uploads/SetWidth100-DUAL-pohjallinen.png)
DUAL Comfort insole
The insole consists of three layers: a soft surface material, a breathable interlayer and a lightweight, shock-absorbing EVA bottom layer. On the heel and under the ball of the foot there
is a PORON® shock absorbing cushion, which absorbs external shocks and reduces strain.
![](/assets/Uploads/esd.png)
ESD
Through its sole construction, ESD footwear provides a safe and controlled method of discharging the body’s static electricity. The resistance limits 100 kΩ - 35 MΩ for the Sievi ESD footwear are stricter than for antistatic footwear (IEC 61340-5-1). Wearing ESD footwear can help you avoid damage to sensitive electronic equipment.
![](/assets/Uploads/BOA-logo2.png)
BOA® Fit System
The BOA® Fit System delivers micro-adjustable precision fit, engineered to perform in the toughest conditions. BOA® Fit System consists of three integral parts: a micro-adjustable dial, a super-strong lightweight lace and low friction lace guides.
![](/assets/Uploads/3d-dry-221x75.png)
3D-dry®
The 3D-dry® lining, developed by Sievi, transfers moisture away from the foot to the second layer of the lining material and further through the upper and away from the footwear.
![](/assets/Uploads/FlesStep-235x81.png)
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.
-
SizeProductGTIN
-
3543-52125-312-25M6438157211989
-
3643-52125-312-25M6438157211996
-
3743-52125-312-25M6438157212009
-
3843-52125-312-25M6438157212016
-
3943-52125-313-25M6438157207883
-
4043-52125-313-25M6438157207890
-
4143-52125-313-25M6438157207906
-
4243-52125-313-25M6438157207913
-
4343-52125-313-25M6438157207920
-
4443-52125-313-25M6438157207937
-
4543-52125-313-25M6438157207944
-
4643-52125-313-25M6438157207951
-
4743-52125-313-25M6438157207968