Therm-a-Rest
3 verified products
Browse on Amazon →Last verified: April 2026
Read our full verification: Is Therm-a-Rest Made in USA?Verification Summary
American Score
Manufacturing Location
Seattle, WA
Headquarters
Seattle, WA
Founded
1971
Products Verified
3 products
Evidence Breakdown
Factory Location Specificity
Specific factory city identified
Website Claim
Brand website explicitly claims Made in USA
Manufacturing History
20+ years of USA manufacturing
Known Overseas Production
No known overseas production
Verification Notes
Therm-a-Rest is a brand of Cascade Designs, headquartered in Seattle, Washington since 1971. Cascade Designs manufactures sleeping pads and outdoor gear in Seattle. The Z Lite foam pads and many self-inflating pads are produced at the Seattle facility. Made in USA claim on core product lines.
Last verified: April 2026
Therm-a-Rest has been manufacturing products in Seattle, WA since 1971. We carry 3 verified American-made Therm-a-Rest products.
Heritage & History
Therm-a-Rest was created by Cascade Designs in Seattle, Washington in 1971, when John Burroughs and Neil Anderson developed the first self-inflating sleeping pad. The invention solved a fundamental problem in lightweight backpacking: foam pads were bulky and heavy, while air mattresses were fragile and required manual inflation. The self-inflating pad used open-cell foam that expanded automatically when a valve was opened, combining the insulation of foam with the compressibility of an air mattress.
The original Therm-a-Rest design was patented in 1972 and became the standard sleeping pad for serious backpackers within a decade. Cascade Designs has continued developing the technology from its Seattle facility, introducing each generation of improvements from reflective insulation layers to triangular baffle systems that maximize warmth-to-weight efficiency.
Made in Seattle, Washington
Cascade Designs manufactures Therm-a-Rest sleeping pads at its Seattle facility, where the foam cores are produced, the inflatable systems are assembled, and the quality testing is conducted. The Seattle location has been the engineering hub for every major Therm-a-Rest innovation, including the ThermaCapture reflective barrier that dramatically improved the R-value of ultralight inflatable pads without adding meaningful weight.
The Z Lite foam pad, a bestselling ultralight option, is cut and finished in Seattle from the company's proprietary closed-cell foam formulation. The NeoAir inflatable series uses a triangular core matrix of internal baffles — a Seattle-engineered solution to the problem of sleeping pads that collapse sideways and leave sleepers resting on the ground.
What Sets Them Apart
Therm-a-Rest's advantage is the R-value engineering that has produced the warmest pads in their weight class at every tier of the product line. R-value measures insulation resistance to heat flow — a higher R-value means less heat escapes through the pad into the ground. For winter camping, where ground conduction is the primary heat loss mechanism, a high R-value pad is more important than a high-insulation sleeping bag.
The NeoAir XTherm, with an R-value of 7.3, is the warmest ultralight pad available at any price from any manufacturer. For buyers who camp year-round or in cold climates, the investment in a Therm-a-Rest pad designed and manufactured in Seattle by the company that invented the category is the technically sound choice.
Quick Picks
Frequently Asked Questions
Is Therm-a-Rest made in the USA?
Yes. Therm-a-Rest manufactures 3 verified products in Seattle, WA. Therm-a-Rest invented the self-inflating sleeping pad in Seattle, Washington in 1971, and has remained the standard for backcountry sleep systems used by mountaineers, backpackers, and outdoor professionals worldwide.
Where is Therm-a-Rest manufactured?
Therm-a-Rest is headquartered in Seattle, WA. Manufacturing takes place in Seattle, WA.
What Therm-a-Rest products can I buy?
We carry 3 verified Therm-a-Rest products across Sports & Outdoors. Every listing links directly to Amazon with verified American manufacturing.
When was Therm-a-Rest founded?
Therm-a-Rest was founded in 1971. Therm-a-Rest invented the self-inflating sleeping pad in Seattle, Washington in 1971, and has remained the standard for backcountry sleep systems used by mountaineers, backpackers, and outdoor professionals worldwide.
Does Therm-a-Rest ship from Amazon?
Yes, all Therm-a-Rest products listed here are available on Amazon with free shipping for Prime members.