Portwest DX449 DX4 Sretch Kneepad Black Grey Blue Work Trousers Sizes 28-48 Inch Waist PPE Workwear
Portwest DX449 DX4 Stretch Kneepad Work Trousers | Black/Grey/Blue | Sizes 28–48" Waist | PPE Workwear
Trade In Timber Extra – Your Online Workwear Store
Premium Quality • Fast Nationwide Delivery • Trusted by Trades Across the UK
Upgrade your workwear with the Portwest DX449 DX4 Stretch Kneepad Work Trousers, engineered for professionals who demand freedom of movement, durability, and functional storage. Combining dynamic 4-way stretch fabric, a high-rise elasticated waistband, and multi-functional pocketing, these trousers deliver all-day comfort with uncompromising performance.
Perfect for construction, carpentry, engineering, joinery, transport, and all industries where strength and flexibility matter, the DX449 stands out as one of the most advanced work trousers in the Portwest DX4 range.
Product Overview
The Portwest DX449 is ergonomically designed using strategically placed 4X stretch panels, allowing unrestricted bending, kneeling, climbing, and lifting. A high-rise back waistband with side elastication ensures full coverage and comfort in all working positions—no riding down, no restriction, no discomfort.
With top-loading kneepad pockets, multiple zip compartments, and reinforced ripstop panels, these trousers combine practicality with long-lasting durability, making them ideal for demanding trade environments.
Key Features
| Feature | Description |
|---|---|
| Stretch Technology | 4-way dynamic stretch panels for unmatched movement |
| Kneepad Compatibility | Top-loading adjustable pockets + two knee height positions |
| Hi-Vis Enhancements | Lightweight HiVisTex Pro segmented reflective tape |
| High-Rise Waist | Elasticated sides for comfort + extra coverage |
| Storage | 11 strategically designed pockets incl. rule pocket + large back zip pocket |
| Durability | Triple-stitched seams throughout |
| Fabric | Premium polyester/elastane blend, ripstop reinforcement |
| Fit | Ergonomic, trade-ready, designed for movement |
| Colours | Black / Grey / Blue |
| Sizes | 28–48" Waist |
Fabric & Construction Details
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Shell Fabric:
93% Polyester, 7% Elastane (270g) — flexible, breathable, ultra-durable stretch -
Contrast Ripstop Panels:
65% Polyester, 35% Cotton Ripstop Weft Stretch (235g) — tear-resistant, reinforced for high-wear zones -
Knee Reinforcement:
88% Nylon, 12% Elastane (275g) — abrasion-resistant, designed for repeated kneeling
This combination of fabric technologies delivers the perfect balance between mobility, durability, and comfort.
Top Functional Features
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Dynamic 4X stretch zones for superior movement and comfort
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Pre-bent leg design for natural motion
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Top-loading kneepad pockets for easy adjustments on the go
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Dual-position knee pad system for height customisation
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HiVisTex Pro reflective detailing for low-light visibility
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Large zipped thigh pocket for tools, phone, and accessories
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Rule pocket + multi-compartment storage
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Triple stitched seams for industrial-level durability
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Flexible waistband for comfort through bending and climbing
Why Trades Choose the DX449 – Trade In Timber Approved
✔ Highly flexible for active trades
✔ Excellent knee protection for floor workers, joiners, installers, and labourers
✔ Packed with pockets — built for tool-heavy roles
✔ Reinforced where it matters most
✔ Premium look + modern trade style
✔ Perfect for pairing with Portwest DX4 hoodies, jackets, and base layers
These trousers are widely praised by tradesmen for their comfort, fit, and work practicality, making them a top choice within the DX4 range.
Ideal For
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Carpentry & joinery
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Construction & groundworks
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Engineering & fabrication
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Warehouse, transport & logistics
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Electrical & plumbing
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Roofing & installation work
Trade In Timber Extra – Why Buy From Us?
🔶 Fast Nationwide Delivery
🔶 Trusted UK Supplier of Workwear, Safety Boots & PPE
🔶 Expertly curated ranges for professional trades
🔶 Competitive pricing across premium brands
🔶 Outstanding customer service
Whether you're gearing up for work or kitting out a team, Trade In Timber Extra brings you reliable, high-performance workwear built for tough environments.
Complete the Look
Pair with:
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Portwest DX467 Quarter Zip Hoodie
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Portwest DX4 Jacket Collection
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Portwest Knee Pads
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Safety boots from Blaklader, Helly Hansen, Ariat or Apache
We can create full uniform bundles on request.
Trade In Timber EXTRA-
(online purchase-nationwide delivery)
Lead time of 2-4 working days, but some items or addresses may take 7-10 working days.
Your delivery charge will be displayed in the trolley page at checkout prior to purchase.
Once the order has been purchased a member of our team will be in contact to discuss delivery.
The products ordered are for kerbside delivery only which means our drivers will unload goods at the nearest access point on the kerb outside of your property.
You can also collect timber from our Timber Yard. Our address is Power Station Rd, Minster on Sea, Sheerness, Kent ME12 3AD
We are open:
Monday - Friday 9am - 3pm
Saturday 9am - 1pm
Sunday closed
Huge savings can be made buying some of our products in bulk. Take a look at our bulk offers to see how much you can save.