Sievi FastX DFlex Roller S3S (sizes 39-48)

The Sievi FastX DFlex Roller S3S safety shoe is engineered for superior protection and comfort. It features an aluminium toecap and a composite midsole, providing effective impact resistance while remaining lightweight. The advanced BOA Fit System Li2 dial allows precise micro-adjustments, ensuring an optimal and secure fit. Constructed with a flexible Sievi DualFlex+® midsole and a TractionPro® friction outsole, the shoe delivers excellent stability and slip resistance. A conductive polyurethane layer enhances overall support. Crafted from durable microfiber and textile materials, it meets the stringent requirements of Safety class S3S EN ISO 20345:2022+A1:2024 S3S SR SC FO, making it ideal for demanding work environments.

Sievi’s next-generation FastX® DFlex safety shoe features a light and flexible sole, consisting of the Sievi DualFlex+® flexible midsole, the TractionPro® friction outsole and a conductive polyurethane layer that provides stability. The shoe features the new BOA® Fit System Li2 dial, which is micro-adjustable, both forwards and backwards, to ensure a fine-tuned fit.

Safety class

S3S EN ISO 20345:2022+A1:2024 S3S SR SC FO

Specifications

• Toecap: Aluminium
• Perforation Resistant Midsole: Composite PS
• Upper material: Microfiber, Textile
• Sole material: Triple density PU/SC/RU
• BOA® lace length: 70 cm

Properties

Downloads

• EU DECLARATION OF CONFORMITY (en)
• BOA® Fit System
• Instructions