--- title: "REI Co-op vs Sea to Summit: Which is searched more?" description: "Is REI Co-op or Sea to Summit 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-sea-to-summit" publisher: "Brandwave" --- # REI Co-op vs Sea to Summit: Which is searched more? Is REI Co-op or Sea to Summit 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 Sea to Summit - **Competitive set**: Sleeping mat brands - **Market**: Global - **Month measured**: Sep 2026 - **REI Co-op Share of Search**: 31.3% - **Sea to Summit Share of Search**: 31.3% ## Is REI Co-op or Sea to Summit more popular in search? - In September 2026, REI Co-op and Sea to Summit were level in searches among sleeping mat brands worldwide, with an estimated 74K branded searches each, at 31.3% of the total each. - The lead changed hands once in the 12 months ending September 2026: Sea to Summit took it in June 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, Sea to Summit’s share of searches among sleeping mat brands worldwide moved from 27.6% to 31.3%, and its estimated monthly branded searches moved from 60.5K to 74K. ## Top sleeping mat brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, 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. Sea to Summit was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Sea to Summit was listed before REI Co-op in three out of four answers that named either. 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, Sea to Summit lost share of searches among sleeping mat brands worldwide, from 34.7% to 31.3%. ## Month by month | Month | REI Co-op estimated searches | REI Co-op Share of Search | REI Co-op rank | Sea to Summit estimated searches | Sea to Summit Share of Search | Sea to Summit rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 74K | 33.8% | 1 | 60.5K | 27.6% | 2 | | Nov 2025 | 110K | 39.8% | 1 | 74K | 26.8% | 2 | | Dec 2025 | 110K | 44.5% | 1 | 60.5K | 24.5% | 2 | | Jan 2026 | 90.5K | 35.2% | 1 | 74K | 28.8% | 2 | | Feb 2026 | 74K | 34% | 1 | 60.5K | 27.8% | 2 | | Mar 2026 | 90.5K | 33.8% | 1 | 74K | 27.7% | 2 | | Apr 2026 | 74K | 30.6% | 1 | 74K | 30.6% | 2 | | May 2026 | 90.5K | 30.4% | 1 | 90.5K | 30.4% | 2 | | Jun 2026 | 74K | 26.5% | 2 | 90.5K | 32.4% | 1 | | Jul 2026 | 74K | 24.6% | 2 | 110K | 36.6% | 1 | | Aug 2026 | 90.5K | 28.5% | 2 | 110K | 34.7% | 1 | | Sep 2026 | 74K | 31.3% | 1 | 74K | 31.3% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using REI Co-op’s and Sea to Summit’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”. - **Sea to Summit**: Measured on the search term “sea to summit”. - [REI Co-op profile](/demand/global-en/brands/rei-coop) - [Sea to Summit profile](/demand/global-en/brands/sea-to-summit) - [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 Sea to Summit more popular in search? In September 2026, REI Co-op and Sea to Summit were level in searches among sleeping mat brands worldwide, with an estimated 74K branded searches each, at 31.3% of the total each. ## Cite this page Brandwave. "REI Co-op vs Sea to Summit: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/sleeping-mat-brands/compare/rei-coop-vs-sea-to-summit This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/sleeping-mat-brands/compare/rei-coop-vs-sea-to-summit. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.