--- title: "REI Co-op vs Therm-a-Rest: Which is searched more?" description: "Is REI Co-op or Therm-a-Rest more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Sleeping mat brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/categories/sleeping-mat-brands/compare/rei-coop-vs-therm-a-rest" publisher: "Brandwave" --- # REI Co-op vs Therm-a-Rest: Which is searched more? Is REI Co-op or Therm-a-Rest more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Sleeping mat brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: REI Co-op and Therm-a-Rest - **Competitive set**: Sleeping mat brands - **Market**: Global - **Month measured**: Sep 2026 - **REI Co-op Share of Search**: 31.3% - **Therm-a-Rest Share of Search**: 14% ## Is REI Co-op or Therm-a-Rest more popular in search? - In September 2026, REI Co-op had more branded searches than Therm-a-Rest among sleeping mat brands worldwide. REI Co-op had about 74,000 branded searches, while Therm-a-Rest had 33,100. REI Co-op made up 31.3% of all sleeping mat brand searches we track, and Therm-a-Rest accounted for 14%. - REI Co-op was ahead of Therm-a-Rest in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, REI Co-op’s share of searches among sleeping mat brands worldwide moved from 33.8% to 31.3%, and its estimated monthly branded searches held steady at 74K. - Across the 12 months ending September 2026, Therm-a-Rest’s share of searches among sleeping mat brands worldwide moved from 15.1% to 14%, and its estimated monthly branded searches held steady at 33.1K. ## Top sleeping mat brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Therm-a-Rest appeared in all five answers. REI Co-op was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Therm-a-Rest was listed before REI Co-op in every answer. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Therm-a-Rest | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Nemo | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Exped | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Sea to Summit | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Klymit | 5th | 1 of 3 | 2 of 2 | 3 of 5 | | REI Co-op | 6th | 3 of 3 | 0 of 2 | 3 of 5 | ## Every AI answer about sleeping mat brands - Asked ChatGPT "Which sleeping mat brand should I buy?": 1. Nemo, 2. Therm-a-Rest, 3. Exped, 4. REI Co-op - Asked ChatGPT "What are the best sleeping mat brands?": 1. Therm-a-Rest, 2. Sea to Summit, 3. Exped, 4. Nemo, 5. REI Co-op, 6. Klymit - Asked ChatGPT "What's the best sleeping mat brand for camping comfort?": 1. Therm-a-Rest, 2. Exped, 3. Sea to Summit, 4. Nemo, 5. REI Co-op - Searched Google, AI Overview "best sleeping mat": 1. Nemo, 2. Exped, 3. Therm-a-Rest, 4. Klymit - Searched Google, AI Overview "camping sleeping mat": 1. Therm-a-Rest, 2. Sea to Summit, 3. Klymit, 4. Nemo, 5. Exped Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for sleeping mat brands worldwide in September 2026? - In September 2026, REI Co-op overtook Sea to Summit to become the leader among sleeping mat brands worldwide, with 31.3% of the searches. - In September 2026, Therm-a-Rest lost share of searches among sleeping mat brands worldwide, from 15.6% to 14%. ## Month by month | Month | REI Co-op estimated searches | REI Co-op Share of Search | REI Co-op rank | Therm-a-Rest estimated searches | Therm-a-Rest Share of Search | Therm-a-Rest rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 74K | 33.8% | 1 | 33.1K | 15.1% | 4 | | Nov 2025 | 110K | 39.8% | 1 | 40.5K | 14.7% | 4 | | Dec 2025 | 110K | 44.5% | 1 | 33.1K | 13.4% | 4 | | Jan 2026 | 90.5K | 35.2% | 1 | 40.5K | 15.8% | 4 | | Feb 2026 | 74K | 34% | 1 | 33.1K | 15.2% | 4 | | Mar 2026 | 90.5K | 33.8% | 1 | 40.5K | 15.1% | 4 | | Apr 2026 | 74K | 30.6% | 1 | 40.5K | 16.7% | 4 | | May 2026 | 90.5K | 30.4% | 1 | 49.5K | 16.6% | 4 | | Jun 2026 | 74K | 26.5% | 2 | 49.5K | 17.7% | 4 | | Jul 2026 | 74K | 24.6% | 2 | 49.5K | 16.5% | 4 | | Aug 2026 | 90.5K | 28.5% | 2 | 49.5K | 15.6% | 4 | | Sep 2026 | 74K | 31.3% | 1 | 33.1K | 14% | 4 | ## How each brand is measured Brandwave collects information about searches that people make online using REI Co-op’s and Therm-a-Rest’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **REI Co-op**: Measured on the search term “rei co-op”. - **Therm-a-Rest**: Measured on the search term “therm-a-rest”. - [REI Co-op profile](/demand/global-en/brands/rei-coop) - [Therm-a-Rest profile](/demand/global-en/brands/therm-a-rest) - [All sleeping mat brands worldwide](/demand/global-en/categories/sleeping-mat-brands): The set both shares are measured inside, 6 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is REI Co-op or Therm-a-Rest more popular in search? In September 2026, REI Co-op had more branded searches than Therm-a-Rest among sleeping mat brands worldwide. REI Co-op had about 74,000 branded searches, while Therm-a-Rest had 33,100. REI Co-op made up 31.3% of all sleeping mat brand searches we track, and Therm-a-Rest accounted for 14%. ## Cite this page Brandwave. "REI Co-op vs Therm-a-Rest: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/sleeping-mat-brands/compare/rei-coop-vs-therm-a-rest This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/sleeping-mat-brands/compare/rei-coop-vs-therm-a-rest. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.