PortwestSKU: PW-IDHP183RBR

Portwest IDHP183 FR Cooling Hard Hat Liner

$8.74

The Portwest IDHP183 FR Cooling Hard Hat Linerprovides fast‑activating cooling relief while maintaining full flame‑resistant protection for high‑heat, high‑risk work environments. Designed to fit securely under most hard hats, this liner uses water‑absorbing polymer crystals to deliver up to 4 hours of cooling after a quick soak. Made from Westex® DH fabric with inherent FR properties, it helps reduce heat stress without compromising safety. A hook‑and‑loop closure ensures a snug, comfortable fit.


Key Features:



  • Quick activation: soak in cold water for 2–5 minutes.

  • Provides up to 4 hours of cooling to help reduce heat stress.

  • Designed for hard hats, fits securely under most styles.

  • Hook‑and‑loop closure for easy, adjustable fastening.

  • Reusable: hand wash only, hang to dry.

  • 1K–3K micron water‑absorbing, non‑toxic polymer crystals for efficient cooling.

  • Made from Westex® DH FR fabric (48% Lenzing™ Lyocell, 39% Modacrylic, 12% Aramid, 1% Carbon Fiber, 220g).

  • Standards

    • NFPA 70E

    • ASTM F1506



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.