PortwestSKU: PW-BZ31GRRS

Portwest BZ31 Bizweld Work FR Cargo Pants

$60.90

The Portwest BZ31 Bizweld Work FR Cargo Pants deliver dependable dual‑hazard protection with a comfortable, modern fit designed for demanding industrial environments. Made from durable Bizweld cotton fabric, they provide guaranteed flame resistance for the life of the garment and strong protection against the thermal hazards of electric arc. With an elasticated waistband and a smart pocket layout, these pants balance safety, mobility, and everyday practicality.


Key Features:



  • Constructed from Bizweld 100% cotton fabric (330g) with flame resistance guaranteed for the life of the garment.

  • ARC2 protection with an ATPV of 11.2 cal/cm² (HAF 80.4%).

  • Dual‑hazard protection against heat and electric arc exposure.

  • NFPA 2112, NFPA 70E, ASTM F1506, ASTM F1959/F1959M‑12 compliant.

  • EN ISO 11611 Class 1 (A1+A2) and EN ISO 11612 (A1+A2, B1, C1, E2, F1) certified.

  • Elasticated back waist for improved comfort and mobility.

  • Seven total pockets for practical storage, including:

    • Easy‑access cargo pocket

    • Concealed cell phone pocket

    • Rule pocket

    • Two back patch pockets



  • 40+ UPF rated fabric blocks 98% of UV rays.

CLICK HERE to view the sizing chart. A separate tab will open with the details for easy reference!



Ordering Questions

When will my order ship?

We aim to have all non-imprinted orders shipped within 3-5 business days after the order is placed!

Once your order ships, you’ll receive a confirmation email with tracking details. At this time, we ship to addresses within the contiguous United States.

We ship via UPS or USPS, depending on the size, weight, and destination of your order. Shipping method selection is handled automatically to ensure the best delivery option.

Please note that delivery times shown at checkout are estimates and begin once your order has shipped. Shipping delays caused by the carrier or weather are outside of our control.
How do returns work?

We want you to feel confident in your purchase. If an item doesn’t fit or isn’t quite what you expected, you can request a return directly from your order page using the 'Request Return' option.

Once your request is submitted, it goes directly to our Support Team. If the item is eligible, we’ll email you with return instructions. An approved RMA is required before sending any items back.

Return requests must be submitted within 30 days of receiving your order.

Returned items must be in new, resalable condition with original tags and packaging. All returns are inspected upon arrival to ensure they meet eligibility requirements before a refund is issued.

Please note:

  • Custom or imprinted items are final sale and not eligible for return
  • Return shipping is the customer’s responsibility
  • We recommend using UPS, USPS, or FedEx and keeping your tracking number, as we cannot be responsible for lost return shipments
Do you offer discounts for large orders?

We do! If you’re planning a large order of 50 units or more, you can share the details by clicking here to open our Bulk Request Form. We’ll put together a tailored quote for you and follow up with any questions to keep everything moving smoothly.

Have a Bulk Request? Fill out our form for a quote.