Portwest DX480 DX4 Zip Base Layer Top — Lightweight, Flexible Layering for Work and Outdoors

The Portwest DX480 DX4 Zip Base Layer Top is a lightweight, breathable base layer designed for workers and outdoor enthusiasts who need reliable temperature control and freedom of movement. Its body-mapped design and high-stretch fabric keep you comfortable all day, whether on site or in the open air.

• Fabric & Weight: 92% Nylon, 8% Elastane, 210 g/m² for durable stretch with a lightweight feel.
• 4-Way Stretch: High-stretch nylon blends that move with you in every direction, reducing fatigue during long shifts or active tasks.
• Design & Fit: Body-mapped construction with Raglan sleeves for fluid movement and reduced chafing; curved back hem for added coverage.
• Front Zip: Full-length front zip with chin guard and a rubber puller for easy grip and adjustable ventilation.
• Pockets & Storage: 6 pockets for ample storage, including a zipped chest pocket, two side zip pockets, and internal pockets for secure items.
• Comfort Features: Thumb loops and elasticated cuffs to keep the top in place and seal out drafts during movement.
• Color Options: Available in various colours to match uniforms or personal style.
• Intended Use: Ideal as a base layer for workwear, outdoor activities, and layering under outer garments in cooler conditions.

The DX480’s combination of breathable fabric and durable stretch helps maintain a comfortable body temperature during activity, whether you’re lifting, walking, or standing for extended periods. Secure pockets keep essential items close, while the full-length front zip offers on-demand ventilation. This base layer is well-suited for trades, logistics, outdoor work, and everyday layering, pairing effortlessly with jackets or outer shells for a complete, functional outfit.