Portwest DX453 DX4 Hi-Vis Service Trousers

The DX4 Hi-Vis Service Trouser from Portwest is built for professionals who need durable, movement-friendly protection on busy work sites. Designed for workers in construction, rail, and maintenance, these trousers combine high visibility with a flexible, ergonomic fit to help you move confidently all day long.

• 4‑way stretch fabric: 4‑way stretch construction delivers unrestricted movement for bending, reaching, and climbing, reducing fatigue during long shifts.
• Ergonomic waistband: High-rise back waistband with side elastication provides secure coverage in all positions while staying comfortable.
• Ample storage: 7 pockets, including secure cargo pockets, keep tools, devices, and documents within easy reach.
• Durable construction: Triple stitching throughout enhances wear resistance in demanding environments.
• High-visibility protection: Lightweight HiVisTex Pro segmented reflective tape with additional heat-applied segments boosts conspicuity in low light.
• Flexibility features: Stretch crotch gusset maximizes flexibility and reduces stress on the fabric during movement.
• Comfort fit: Side elastic waist and adjustable hem accommodate different leg lengths and body shapes for all-day comfort.
• Slim, tailored design: Streamlined silhouette provides a professional look while maintaining range of motion.
• Sun protection: 40+ UPF rated fabric helps block 98% of UV rays for outdoor work.
• Standards and safety: EN ISO 20471 certified (visible after 25 washes); RIS 3279-TOM compliance for orange rail version; CE certified; UKCA marked.
• Fabric details: Shell: Titanmill Pro Stretch (92% Polyester, 8% Elastane) 235 g; Contrast: Titanmill Plus Ripstop (65% Polyester, 35% Cotton Ripstop Weft Stretch); Additional Contrast: CorePro (88% Nylon, 12% Elastane) 245 g.

These trousers are designed to keep you seen, safe, and comfortable across demanding tasks. The combination of stretch fabric, reinforced seams, and practical pocketing supports dynamic work—from site inspections to rail maintenance—while the EN ISO 20471 rating ensures consistent visibility. Whether you’re on a long outdoor shift or navigating confined spaces, the DX4 trousers help you stay organized, protected, and productive.