PortwestSKU: PW-FR429GRRS

Portwest FR429 Bizflame Insulated FR Winter Bibs

$210.96

The Portwest FR429 Bizflame Insulated FR Winter Bibs deliver powerful cold‑weather protection with high‑performance flame resistance designed for offshore, welding, and other hazardous environments. Built from durable Bizflame 88/12 fabric with thick FR insulation and a soft FR cotton lining, these bib pants provide exceptional warmth without compromising safety. High‑visibility reflective tape, triple‑stitched seams, and multiple secure pockets make them a dependable choice for extreme conditions.


Key Features:



  • Constructed from Bizflame 88/12 fabric (88% cotton / 12% polyamide, 300g) for durability and comfort.

  • Extra‑thick FR wadding insulation with FR cotton lining for superior warmth in winter conditions.

  • High‑visibility Yellow/Silver/Yellow reflective tape, double‑stitched for durability.

  • ARC4 protection with ATPV 56 cal/cm² (HAF 95.43%).

  • Certified to:

    • CSA Z96 Class 1 Level FR

    • NFPA 2112

    • NFPA 70E

    • ASTM F1506

    • ASTM F1959/F1959M‑23



  • Protects against radiant and convective heat.

  • Triple‑stitched seams for long‑lasting durability.

  • Concealed two‑way front brass zipper for secure closure.

  • Side‑zipper leg openings for easy on/off over work boots.

  • Seven total pockets, including:

  • Chest pockets

  • Two back patch pockets

  • Rule pocket

  • Additional utility pockets

  • Sew‑on flame‑resistant industrial‑wash tape for enhanced visibility.

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.