Leather cupron dyed boots with heel tab, PU, rubber and nitrile sole black size 46 COBR4S3NO46
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TECHNICAL DATA
Sales unit dimensions and weight: 1 par
Leather cupron dyed boots with heel tab, PU, rubber and nitrile sole black size 46 COBR4S3NO46
Welding boots – protection and comfort during work
These solid welding boots from Delta Plus, model Cobra 4, combine a durable construction and functionality, designed for demanding working conditions. Made of dyed grain leather, they provide S3 class waterproofing, guaranteeing dryness and comfort even in difficult conditions. The construction with a protective flap and para-aramid seams increases the level of safety during welding and other industrial work.
Strength and safety in every detail
The upper made of high-quality dyed grain leather is not only durable but also resistant to mechanical damage. The S3 waterproof construction protects feet from moisture and ensures comfort throughout the working day. The sole made of a combination of PU, rubber and nitrile offers excellent grip on various surfaces as well as resistance to abrasion and high temperatures (up to 300°C for 1 minute – HRO standard). Additionally, thermal insulation (HI) maintains the temperature inside the shoe at a safe level (maximum 22°C after 30 minutes at high temperature). The replaceable, pre-formed insole made of polyamide on EVA provides comfort and cushioning.
Functionality for professionals
The Cobra 4 boots are specifically designed for welders, meeting the EN ISO 20349-2:2017 (WG) standard. They provide protection against thermal hazards, metal splashes and other factors occurring during welding. Velcro fastening allows for quick and easy putting on and taking off of shoes. Elastic bands inside the shoe improve arch support, and integrated bending zones increase flexibility in the midfoot area, which translates to comfort even during long-term work in various positions.
- Durable upper: Dyed grain leather provides resistance to damage and S3 waterproofing.
- Safe sole: A combination of PU, rubber and nitrile guarantees grip, abrasion resistance and high temperature resistance (HRO).
- Comfort of use: Replaceable insole with polyamide on EVA provides cushioning and comfort throughout the working day.
- Protection for welders: Compliance with EN ISO 20349-2:2017 (WG) standard ensures safety during welding.
- Quick fastening: Velcro allows for easy and quick putting on and taking off of shoes.
- Reinforced construction: Para-aramid seams increase durability and resistance to damage.
- Application: ideal for mining, public works, energy and automotive work.
CERTIFICATES, APPROVALS, SAFETY, COMPLIANCE AND WARNINGS
Declaration of Conformity

