PortwestSKU: PW-IUS453ORR34

Portwest IUS453 Enhanced Visibility X-Back Suit-All Bottom

$90.93


The Portwest IUS453 Enhanced Visibility X-Back Suit-All Bottom is a lightweight, high‑visibility FR pant designed to pair seamlessly with the matching IUS452 Suit‑All Top. Built from Westex® UltraSoft® fabric, it delivers a soft cotton feel with engineered flame resistance that lasts for the life of the garment. The Orange shell boosts visibility in high‑risk environments, while the 7oz construction keeps the garment breathable and comfortable for warm‑weather or high‑movement work.


Key Features:



  • High‑visibility Orange shell supports safety in construction, utilities, roadside, and other high‑traffic environments.

  • Certified to NFPA 2112, NFPA 70E, ASTM F1506, CGSB 155.20, and CSA Z462 Class 2 Level 2, providing dependable protection against arc flash, flash fire, molten ferrous metal, and welding exposure.

  • Westex® UltraSoft® shell (88% FR cotton, 12% nylon, 7 oz) offers engineered flame resistance with a soft hand and 50% longer wear life than 100% cotton FR garments.

  • H₂S monitor attachment point with strap and elastic fasteners keeps gas detection secure and accessible.

  • Designed for multi‑purpose protection, including electric arc, flash fire, molten ferrous metal, and welding exposure.

  • Lightweight construction supports long‑shift comfort, warm‑weather use, and high‑mobility tasks.

  • Intended to pair with the IUS452 Suit‑All Top for a complete, coordinated FR set.


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.