Sievi FastX DFlex S3S (sizes 39-48)

The Sievi FastX DFlex S3S safety shoes combine advanced materials and innovative design to ensure superior protection and comfort. Featuring lightweight ShieldKnit® uppers crafted from 60% recycled materials, these shoes provide exceptional breathability and durability. The aluminum toecap and composite midsole offer reliable protection against impact and punctures, meeting safety class S3S EN ISO 20345:2022+A1:2024 standards.

The sole integrates Sievi DualFlex+® technology with a conductive polyurethane layer and TractionPro® outsole, delivering enhanced flexibility, stability, and slip resistance. Available in sizes 39 to 48, these shoes are ideal for professionals requiring both safety and comfort throughout their workday.

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 ShieldKnit® upper material is an extremely breathable and strong technical material. The knitted fabric is made from 60% recycled materials.

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
• Lace length: 105 cm

Properties

Downloads

• EU DECLARATION OF CONFORMITY (en)
• Instructions