Spike GT Roller
Spike GT Roller
A breathable upper and waterproof split leather and nubuck, as well as a leg section crafted from water-repellent fabric and the new BOA® M4 Fit System. The lining combines fleece and the breathable GORE-TEX Sportive lining, whilst the soles feature the shock-absorbing and strain preventing Dual Comfort insole, to reduce the impact of knocks, both in the heel section and under the ball of the foot. The reflective tab at the back increases safety.
A breathable upper and waterproof split leather and nubuck, as well as a leg section crafted from water-repellent fabric and the new BOA® M4 Fit System. The lining combines fleece and the breathable GORE-TEX Sportive lining, whilst the soles feature the shock-absorbing and strain preventing Dual Comfort insole, to reduce the impact of knocks, both in the heel section and under the ball of the foot. The reflective tab at the back increases safety.

Steel
The toecap protects toes from falling objects and compression. Meets the requirements of the EN ISO 20345:2011 standard: shock resistance is 200 J and resistance to compression 15000 N.

Steel
The steel midsole, prevents sharp objects from penetrating through the sole. Meets the requirements of the EN ISO 20345:2011 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 20345:2011 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 20345:2011 standard.

Single Density PU
The footwear sole is made of FlexStep® material. This single density microporous structured polyurethane sole offers very high slip-resistance and flexibility providing excellent shock absorption. Heat resistant up to 120°C.

Sievi 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.

Spike stud mechanism
The stud mechanism integrated in the sole structure of the boot allows the studs to be turned in and out without removing the boots.

GORE-TEX
GORE-TEX lining is a unique waterproof lining material that allows the feet to breathe while keeping the moisture out of the footwear. This is the only membrane structure on the market systematically tested for its functionality and comfort.

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.
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SizeProductGTIN
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3846-52863-342-08M6438157183583
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3946-52863-343-08M6438157183590
-
4046-52863-343-08M6438157183606
-
4146-52863-343-08M6438157183613
-
4246-52863-343-08M6438157183620
-
4346-52863-343-08M6438157183637
-
4446-52863-343-08M6438157183644
-
4546-52863-343-08M6438157183651
-
4646-52863-343-08M6438157183668
-
4746-52863-343-08M6438157183675