Portwest DX4 Trade Shorts

The Portwest DX4 Trade Shorts (DX420) bring the performance and durability of the DX4 range into a warm-weather format built for serious trade use. Constructed from Titanmill Pro Stretch ripstop fabric — 93% polyester, 7% elastane at 270g — these shorts combine tear resistance with genuine 4-way stretch, giving you the freedom to move without worrying about the fabric giving out.

Strategically placed stretch panels work alongside a stretch crotch gusset to deliver exceptional flexibility during bending, kneeling, and climbing. The high-rise back waistband provides full coverage in every working position, while side elastication ensures a comfortable, secure fit that adapts to your movement throughout the day — no constant adjusting, no riding down.

Eight pockets provide practical, well-organised storage for the tools and items you carry daily. Two side pockets and two back pockets (one open, one with a flap) handle the essentials, while a zipped thigh pocket reinforced with CorePro — an 87% nylon, 13% elastane blend — offers secure, hard-wearing storage for your phone or valuables. A dedicated rule pocket, pen pocket, and spanner pocket mean your most-used tools are always within reach and in the right place.

Every seam is triple-stitched for lasting durability, and the tonal styling gives the DX420 a clean, professional appearance that looks the part on any site. As a Registered Community Design, the DX4 Trade Shorts reflect Portwest's investment in original, purpose-driven workwear design. Whether you're in construction, joinery, electrical work, or general maintenance, the DX420 delivers the storage, mobility, and toughness that trade professionals demand.

• 4-way stretch ripstop fabric — 93% polyester, 7% elastane at 270g for tear resistance and unrestricted movement
• CorePro reinforced thigh pocket — 87% nylon, 13% elastane construction for heavy-duty, long-lasting pocket performance
• 8 pockets — 2 side, 2 back (one with flap), 1 zipped thigh, 1 rule, 1 pen, and 1 spanner pocket
• Stretch crotch gusset — maximum flexibility and reduced fabric stress during active work
• High-rise back waistband — full coverage and protection when bending and crouching
• Side elasticated waist — comfortable, adaptive fit without constant adjustment
• Triple-stitched seams — reinforced construction throughout for demanding work environments
• Tonal styling — clean, professional look suited to any worksite
• Registered Community Design — original Portwest design protected by EU registration

What fabric are the Portwest DX4 Trade Shorts made from?

The shell fabric is Titanmill Pro Stretch — a 93% polyester, 7% elastane ripstop blend at 270g. This gives the shorts excellent tear resistance, 4-way stretch for freedom of movement, and a durable mid-weight feel. The thigh pocket is reinforced with CorePro contrast fabric (87% nylon, 13% elastane) for additional abrasion resistance where it matters most.

How many pockets do the DX420 shorts have?

Eight pockets in total: two side pockets, two back pockets (one open, one with a protective flap), one zipped thigh pocket with CorePro reinforcement, one rule pocket, one pen pocket, and one spanner pocket. This gives tradespeople dedicated, purpose-designed storage for tools, measuring equipment, and personal items.

What does ripstop fabric mean?

Ripstop is a weaving technique that incorporates reinforced threads at regular intervals, creating a grid pattern within the fabric that prevents small tears from spreading. On the DX420, this means that even if the fabric catches on a sharp edge or rough surface, the damage stays localised rather than tearing across the garment.

Are the DX4 Trade Shorts comfortable for all-day wear?

Yes. The 4-way stretch fabric moves with you in every direction, and the stretch crotch gusset eliminates the restriction you'd get from conventional work shorts during bending or climbing. Side elastication in the waistband provides a comfortable, self-adjusting fit, and the high-rise back keeps you covered in all working positions.

What trades are the Portwest DX420 shorts suited to?

The DX420 is designed for a wide range of trade and site work, including construction, joinery, electrical installation, plumbing, and general maintenance. The combination of stretch fabric, ripstop durability, and purpose-specific pockets (rule, spanner, pen) makes them particularly well suited to hands-on roles where tool access and mobility are equally important.

What is CorePro reinforcement?

CorePro is Portwest's proprietary reinforcement material — an 87% nylon, 13% elastane blend — used in high-stress areas such as the thigh pocket on the DX420. It provides significantly greater abrasion and tear resistance than the shell fabric, extending the life of the pockets that take the most punishment during daily use.

What is a Registered Community Design?

A Registered Community Design (RCD) is an EU-registered intellectual property right that protects the unique appearance of a product. The DX4 Trade Shorts hold this registration, confirming that their design is an original Portwest creation.