Table of Contents
- Introduction: Safety Begins with Visibility
- The Critical Role of High-Visibility Clothing in Road Construction
- What EN ISO 20471 Means — and Why It Matters
- Comfort Is Not Optional — It’s a Core Safety Feature
- Thoughtful Ergonomics: Design That Moves With You
- Details That Make a Difference: Utility and Functionality
- Designed to Be Washed — Again and Again
- Sustainability in Hi-Vis Workwear: The WERKVIS Approach
- Local Presence, European Support
- Conclusion: Choosing the Right Hi-Vis Clothing Means Choosing Safety, Comfort, and Responsibility
Introduction: Safety Begins with Visibility
In the high-risk environment of road construction, high-visibility clothing is far more than just another uniform — it is a crucial, life-saving necessity. Workers regularly operate near fast-moving vehicles, heavy machinery, and under varied weather conditions. Especially during early mornings, late evenings, or poor weather, hi-vis workwear compliant with EN ISO 20471 becomes essential to ensure workers are clearly visible.
At WERKVIS, we go beyond simply meeting the standard. We rethink what road construction workwear can be by combining enhanced visibility with ergonomic design, lasting comfort, industrial-grade durability, and responsible sourcing. Our mission is to provide workers with protective gear that not only safeguards lives but also supports and empowers the wearer.

The Critical Role of High-Visibility Clothing in Road Construction
Road construction is one of the most visibility-dependent industries. Whether workers are directing traffic, laying asphalt, or maintaining infrastructure, their ability to be instantly recognizable — from any angle and under any light — is fundamental to safety.
Reflective clothing is not just a seasonal requirement; it is mandated 365 days a year because accidents can happen at any time. In fact, the importance of visibility escalates during winter months when daylight hours shrink and workers often begin or finish shifts in darkness. Additional factors such as rain, fog, and snow further reduce visibility and increase hazards.
WERKVIS designs high-visibility garments to provide 360° visibility through a smart combination of:
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Fluorescent background colors in yellow or orange that maximize daytime conspicuity
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Segment-stitched or heat-applied retroreflective tape that shines back vehicle headlights
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Strategic placement of reflective elements on the torso, shoulders, arms, and legs
- Complementary reflective accessories such as caps and gloves
This holistic approach ensures that road workers remain visible to drivers and machinery operators alike — significantly lowering the risk of accidents.

What EN ISO 20471 Means — and Why It Matters
The European standard EN ISO 20471 sets the benchmark for high-visibility protective clothing. It defines three classes of visibility protection based on the minimum required surface areas of fluorescent and reflective materials:
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Class 1: Intended for low-risk environments; offers limited coverage suitable for low-speed traffic areas
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Class 2: Provides intermediate protection; common in urban or roadside settings with moderate vehicle exposure
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Class 3: The highest protection level; required for highway workers, night shifts, and fast-moving traffic zones
At WERKVIS, many core products such as the WF301 Hi-Vis Zipper Sweatshirt and most hi-vis jackets meet Class 3 requirements. This modular layering system allows workers to adapt to seasonal changes while maintaining full compliance and visibility.
Comfort Is Not Optional — It’s a Core Safety Feature
High-visibility clothing is worn all day long in physically demanding conditions, so comfort is essential for maintaining concentration and safety. Heavy, stiff, or poorly ventilated garments can cause fatigue, discomfort, and even distraction, which increases the risk of accidents.
WERKVIS addresses these challenges by designing hi-vis workwear with:
- Stretch-enhanced fabric blends that allow free movement during climbing, kneeling, or tool operation
- Moisture-wicking materials to keep workers cool and dry, reducing discomfort caused by sweat
- Breathable mesh panels, especially in summer-focused products like the WV205 Ventilated Hi-Vis Vest
- Soft internal linings in winter garments to provide warmth without bulk or restriction
Each product undergoes extensive real-world testing across Europe to ensure it offers the best balance of protection and comfort for road construction professionals.

Thoughtful Ergonomics: Design That Moves With You
Traditional reflective clothing can feel restrictive — seams may rub, knees bunch up, or pockets become hard to reach. At WERKVIS, ergonomic tailoring is a priority. Working with European field testers, our in-house design team creates garments that:
- Feature pre-shaped sleeves and knees for natural bending and crouching
- Include adjustable cuffs and hems for a personalized, comfortable fit
- Use reinforced elbow and knee panels for durability during frequent contact with rough surfaces
- Position pockets strategically to allow tool access without awkward movements
Our philosophy is simple: workers shouldn’t have to adapt to their gear — their gear should support how they move safely and freely.
Details That Make a Difference: Utility and Functionality
Visibility alone doesn’t get the job done. Road construction workers need clothing that supports their daily tasks.
Our hi-vis workwear features:
- Multi-pocket configurations, including compartments for tools, smartphones, and other daily essentials
- Secure ID holders that keep identification badges visible and protected
- Durable fasteners and reinforced stitching that ensure long-lasting performance even in tough conditions
- Adjustable waists and ergonomic cuts to enhance comfort when bending, stretching, or carrying tools
Every design element is field-tested and refined to ensure that it adds value to the worker — improving efficiency without compromising safety or comfort.
Designed to Be Washed — Again and Again
Many road construction companies use leasing models for uniforms, relying on industrial laundry services. This requires garments that can withstand:
- High temperatures
- Strong chemical detergents
- Mechanical abrasion
- Repeated drying and pressing cycles
WERKVIS hi-vis workwear complies with the industrial laundry durability standard. Our garments retain their:
- Bright colors
- Reflective tape effectiveness
- Structural integrity
even after 50+ industrial wash cycles, reducing replacement costs and guaranteeing consistent protection for workers.
Sustainability in Hi-Vis Workwear: The WERKVIS Approach
Sustainability is no longer optional; it is a key criterion in supplier selection, especially in public tenders. WERKVIS is committed to responsible practices and ongoing improvement in this area.
Our sustainability efforts currently include:
- Using 100% recyclable product packaging bags
- Collaborating with suppliers who understand and work toward ethical and socially responsible production
- Continuously seeking ways to optimize logistics and reduce transport emissions
We view sustainable hi-vis workwear as an ongoing journey, dedicated to meeting the evolving expectations of customers and regulatory bodies.
Local Presence, European Support
Our warehouse and office in Cologne, Germany, allow WERKVIS to provide:
- Fast delivery across Europe
- Efficient returns and exchange processes
- Multilingual customer service
- Flexible ordering for clients of all sizes
This local presence ensures your workforce receives essential hi-vis clothing promptly and reliably.

Conclusion: Choosing the Right Hi-Vis Clothing Means Choosing Safety, Comfort, and Responsibility
The right high-visibility clothing does more than help workers stand out; it protects lives, supports comfort, enables freedom of movement, and reflects pride in their profession.
At WERKVIS, we don’t see hi-vis workwear as just a compliance necessity. We view it as an opportunity to raise standards of safety, dignity, and sustainability in road construction.
Whether ensuring compliance with EN ISO 20471, maximizing wearer comfort, guaranteeing durability for industrial laundry, or committing to sustainable production, WERKVIS is your trusted partner for hi-vis workwear solutions.
Explore the WERKVIS Hi-Vis Collection Today
From hi-vis polo shirts and reflective vests to durable sweatshirts and versatile layering options, our full range is ready to keep your team safe, comfortable, and visible — every day.
🟡 Designed in Europe
🟠 Warehoused in Germany
🟢 Ready to work when you are
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