Portwest KX3 Hi-Vis Sports T-Shirt S/S – Athletic Performance Meets Certified Safety

The Portwest KX3 Hi-Vis Sports T-Shirt brings athletic performance technology to professional safety workwear. Part of Portwest's premium KX3 collection, this short sleeve t-shirt delivers exceptional comfort and freedom of movement for workers in demanding, active environments.

Engineered from Portwest's cutting-edge Kingsmill™ Polyester Stretch fabric – a technical blend of 93% polyester and 7% elastane – this t-shirt provides genuine 4-way stretch for unrestricted movement throughout the working day. The fabric delivers moisture-wicking performance, actively drawing perspiration away from the body to keep you cool, dry, and comfortable even during high-exertion tasks.

The body-mapped design and ergonomic cut ensure the garment moves naturally with your body, while low-profile seams minimise friction and irritation during extended wear. HiVisTex Pro segmented reflective tape is heat-applied for enhanced flexibility and durability, providing outstanding visibility without compromising the garment's stretch characteristics.

CE certified and compliant with EN ISO 20471 high visibility standards, this sports t-shirt meets professional safety requirements while offering the athletic styling the KX3 range is known for. The 50+ UPF rated fabric blocks 98% of harmful UV rays, providing comprehensive sun protection for outdoor workers throughout the year.

The two-tone contrast design maintains professional appearance while protecting against visible dirt and wear. Side vents enhance airflow and breathability, making this t-shirt ideal for warm weather working or physically demanding roles where temperature regulation is critical.

Available in yellow/black and orange/black colour combinations across sizes Small through to 3XL, the KX3 Hi-Vis Sports T-Shirt suits workers in construction, highways, utilities, landscaping, and logistics who need certified visibility without sacrificing comfort or mobility.

• 4-Way Stretch Fabric – Kingsmill™ Polyester Stretch for unrestricted movement
• Moisture Wicking Technology – Draws perspiration away to keep you cool and dry
• 93% Polyester, 7% Elastane – Technical athletic fabric blend
• HiVisTex Pro Segmented Reflective Tape – Heat-applied for flexibility and durability
• EN ISO 20471 Certified – Compliant with high visibility safety standards
• 50+ UPF Rated Fabric – Blocks 98% of harmful UV rays
• Body Mapped Design – Ergonomic cut for natural movement
• Low Profile Seams – Reduced friction for all-day comfort
• Side Vents – Enhanced airflow and breathability
• Fast Drying Properties – Quick moisture evaporation
• High Breathability – Maintains comfortable body temperature
• CE Certified – Meets European safety requirements
• Two-Tone Contrast Design – Professional appearance with dirt protection
• Athletic Fit – Contemporary sports-inspired styling

The Portwest KX3 Hi-Vis Sports T-Shirt S/S combines athletic performance with certified safety. Featuring 4-way stretch Kingsmill™ fabric (93% polyester, 7% elastane), this t-shirt delivers exceptional mobility and moisture-wicking comfort for active workers. HiVisTex Pro segmented reflective tape ensures visibility while maintaining flexibility. EN ISO 20471 certified and 50+ UPF rated for UV protection, it meets professional safety standards without compromising on comfort. The body-mapped design, low-profile seams, and side vents make it ideal for physically demanding work in warm conditions. CE certified, available in sizes S-3XL.

Q: What makes the KX3 Sports T-Shirt different from standard hi-vis t-shirts? A: The KX3 Sports T-Shirt uses advanced 4-way stretch fabric (93% polyester, 7% elastane) that moves with your body, unlike standard cotton-blend hi-vis t-shirts. It also features moisture-wicking technology, body-mapped design, and HiVisTex Pro segmented reflective tape for superior comfort and performance during active work.

Q: What safety certifications does this t-shirt meet? A: The KX3 Hi-Vis Sports T-Shirt is CE certified and complies with EN ISO 20471 high visibility standards. The 50+ UPF rating also provides certified UV protection, blocking 98% of harmful rays.

Q: Is this t-shirt suitable for hot weather work? A: Yes, the KX3 Sports T-Shirt is ideal for warm weather. The moisture-wicking fabric draws sweat away from your body, the high breathability maintains comfortable temperature, and side vents enhance airflow. The fast-drying properties ensure you stay cool and dry even during high-exertion tasks.

Q: How does the stretch fabric affect the reflective tape? A: The HiVisTex Pro reflective tape is heat-applied in a segmented pattern specifically designed to work with stretch fabrics. This allows the tape to move with the fabric without cracking or peeling, maintaining both visibility and flexibility throughout the garment's life.

Q: What sizes are available? A: The Portwest KX3 Hi-Vis Sports T-Shirt is available in sizes Small through to 3XL, accommodating a wide range of workers.

Q: What colours is this t-shirt available in? A: The KX3 Hi-Vis Sports T-Shirt is available in two contrast colour combinations: Yellow/Black and Orange/Black, both featuring the distinctive two-tone KX3 styling.

Q: How should I care for this t-shirt to maintain its performance? A: Machine wash at 40°C using a mild process. Do not bleach, tumble dry, iron, or dry clean. Drip line dry to maintain the fabric's stretch properties and reflective tape performance. Avoid fabric softeners which can affect moisture-wicking capabilities.

Why Choose KX3 Performance Workwear?

The Portwest KX3 collection represents the pinnacle of modern workwear design, combining athletic performance technology with professional safety requirements:

Technical Fabric Innovation – Kingsmill™ Polyester Stretch provides genuine 4-way stretch that maintains its shape and performance through repeated wear and washing. This isn't just stretch – it's engineered flexibility that returns to form.

Body-Mapped Construction – Each KX3 garment is designed with ergonomic principles, ensuring fabric placement and seam positioning work with natural body movement rather than against it.

Complete Layering System – All KX3 garments are designed to complement each other, allowing workers to build a personal layering system from base layer through to outerwear while maintaining consistent fit and performance.

Modern Aesthetics – The KX3 range bridges the gap between workwear and lifestyle clothing, with contemporary styling that looks professional on-site and doesn't look out of place off-site.

Choosing the Right Summer Safety Workwear

Working in warm conditions while maintaining hi-vis compliance presents unique challenges. The KX3 Sports T-Shirt addresses these with:

Active Cooling – Moisture-wicking fabric actively removes sweat from the skin surface, promoting evaporative cooling that helps regulate body temperature during physical work.

Unrestricted Airflow – Strategic side vents allow air circulation, preventing heat buildup that can occur with standard workwear construction.

Lightweight Construction – The polyester/elastane blend provides protection without the weight penalty of cotton-heavy fabrics, reducing heat retention.

UV Protection – Beyond visibility, the 50+ UPF rating protects skin from harmful UV exposure – a critical consideration for outdoor workers, particularly during summer months.