--- 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 bag 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/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 bag 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 bag brands - **Market**: Global - **Month measured**: Sep 2026 - **REI Co-op Share of Search**: 7.5% - **Sea to Summit Share of Search**: 7.5% ## 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 bag brands worldwide, with an estimated 74K branded searches each, at 7.5% 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 bag brands worldwide moved from 6.6% to 7.5%, 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 bag brands worldwide moved from 5.4% to 7.5%, and its estimated monthly branded searches moved from 60.5K to 74K. ## Top sleeping bag brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, REI Co-op was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Sea to Summit was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Sea to Summit was listed before REI Co-op in two out of three answers. 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 | | --- | --- | --- | --- | --- | | REI Co-op | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Marmot | 2nd | 3 of 3 | 0 of 2 | 3 of 5 | | Sea to Summit | 3rd | 2 of 3 | 0 of 2 | 2 of 5 | | Nemo | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Western Mountaineering | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | Forclaz | 6th | 2 of 3 | 0 of 2 | 2 of 5 | | Big Agnes | 7th | 2 of 3 | 0 of 2 | 2 of 5 | | Therm-a-Rest | 8th | 1 of 3 | 0 of 2 | 1 of 5 | | Exped | 9th | 1 of 3 | 0 of 2 | 1 of 5 | | Kathmandu | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Macpac | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about sleeping bag brands - Asked ChatGPT "Which sleeping bag brand should I buy?": 1. REI Co-op, 2. Marmot, 3. Western Mountaineering, 4. Big Agnes - Asked ChatGPT "What are the best sleeping bag brands?": 1. Western Mountaineering, 2. Nemo, 3. Sea to Summit, 4. REI Co-op, 5. Marmot, 6. Forclaz, 7. Therm-a-Rest, 8. Big Agnes, 9. Exped - Asked ChatGPT "What's the best sleeping bag brand for camping trips?": 1. Sea to Summit, 2. Nemo, 3. Marmot, 4. REI Co-op, 5. Forclaz - Searched Google, AI Overview "best sleeping bag": 1. REI Co-op, 2. Western Mountaineering - Searched Google, AI Overview "sleeping bag for camping": 1. Nemo Not named in any answer: Kathmandu and Macpac. 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 bag brands worldwide in September 2026? - In September 2026, REI Co-op overtook Sea to Summit to rank 3rd among sleeping bag brands worldwide, with 7.5% of the searches. - Estimated monthly branded searches for Sea to Summit worldwide rose 22.3% over 12 measured months, from 60.5K to 74K in September 2026. ## 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 | 6.6% | 3 | 60.5K | 5.4% | 5 | | Nov 2025 | 110K | 7.9% | 3 | 74K | 5.3% | 4 | | Dec 2025 | 110K | 8.1% | 3 | 60.5K | 4.4% | 5 | | Jan 2026 | 90.5K | 7.6% | 3 | 74K | 6.2% | 4 | | Feb 2026 | 74K | 7.5% | 3 | 60.5K | 6.2% | 4 | | Mar 2026 | 90.5K | 6.8% | 3 | 74K | 5.5% | 4 | | Apr 2026 | 74K | 5.5% | 3 | 74K | 5.5% | 4 | | May 2026 | 90.5K | 6.4% | 3 | 90.5K | 6.4% | 4 | | Jun 2026 | 74K | 4.6% | 4 | 90.5K | 5.6% | 3 | | Jul 2026 | 74K | 5.2% | 4 | 110K | 7.8% | 3 | | Aug 2026 | 90.5K | 6.5% | 4 | 110K | 7.9% | 3 | | Sep 2026 | 74K | 7.5% | 3 | 74K | 7.5% | 4 | ## 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 bag brands worldwide](/demand/global-en/categories/sleeping-bag-brands): The set both shares are measured inside, 11 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 bag brands worldwide, with an estimated 74K branded searches each, at 7.5% 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/compare/rei-coop-vs-sea-to-summit This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/rei-coop-vs-sea-to-summit. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.