K9 Sport Sack vs Mountainsmith:Which is more popular?
In September 2026, K9 Sport Sack had more branded searches than Mountainsmith among dog backpack brands worldwide. K9 Sport Sack had about 9,900 branded searches, while Mountainsmith had 4,400. K9 Sport Sack made up 11.2% of all dog backpack brand searches we track, and Mountainsmith accounted for 5%. When we asked ChatGPT and Google AI Overviews about dog backpack brands, K9 Sport Sack and Mountainsmith each appeared in four of the five answers. K9 Sport Sack was mentioned before Mountainsmith in two out of three answers.
Who do people search for more?
K9 Sport Sack, about 2 searches for every 1 for Mountainsmith
Who does AI mention more?
Both were mentioned in 4 of 5 answers.
Who does AI recommend more?
K9 Sport Sack, named ahead of Mountainsmith in 2 of 3 answers
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Top dog backpack brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, K9 Sport Sack and Mountainsmith were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. K9 Sport Sack was listed before Mountainsmith in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Ruffwear1st
K9 Sport Sack2nd
Kurgo3rd
Mountainsmith4th
Outward Hound5th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Ruffwear5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Kurgo5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
K9 Sport Sack4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Mountainsmith4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Outward Hound1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about dog backpack brands
5 answers
Asked ChatGPT
“Which dog backpack brand should I buy?”
Asked ChatGPT
“What are the best dog backpack brands?”
Asked ChatGPT
“What's the best dog backpack brand for hiking with a dog?”
Searched Google, AI Overview
“dog hiking backpack”
Searched Google, AI Overview
“dog pack for hiking”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is K9 Sport Sack or Mountainsmith more popular in search?
This chart shows how often people search Google for K9 Sport Sack and Mountainsmith by name. Each line represents a brand's share of searches for all five dog backpack brands we track, month by month, from English-language searches worldwide.
Share of searches by month for K9 Sport Sack, Mountainsmith. The figures are in the table below the chart.
View monthly share of searches table
| Month | Ruffwear | K9 Sport Sack | Outward Hound | Kurgo | Mountainsmith |
|---|---|---|---|---|---|
| Oct 2025 | 67.6% | 11.1% | 9.1% | 7.4% | 4.9% |
| Nov 2025 | 77.9% | 5.7% | 7% | 5.7% | 3.8% |
| Dec 2025 | 65% | 5.8% | 19.5% | 5.8% | 3.9% |
| Jan 2026 | 71.2% | 7.8% | 9.5% | 6.3% | 5.2% |
| Feb 2026 | 71.2% | 7.8% | 9.5% | 6.4% | 5.2% |
| Mar 2026 | 71.2% | 9.5% | 7.8% | 6.3% | 5.2% |
| Apr 2026 | 70.3% | 11.5% | 7.7% | 6.3% | 4.2% |
| May 2026 | 68% | 13.6% | 7.4% | 6.1% | 5% |
| Jun 2026 | 68.6% | 13.7% | 7.5% | 6.1% | 4.1% |
| Jul 2026 | 68% | 13.6% | 7.4% | 6.1% | 5% |
| Aug 2026 | 69.7% | 11.4% | 7.6% | 6.2% | 5.1% |
| Sep 2026 | 68.5% | 11.2% | 9.2% | 6.1% | 5% |
How has the K9 Sport Sack and Mountainsmith comparison changed over the last 12 months?
3 findings
- K9 Sport Sack was ahead of Mountainsmith in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, K9 Sport Sack’s share of searches among dog backpack brands worldwide moved from 11.1% to 11.2%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, Mountainsmith’s share of searches among dog backpack brands worldwide moved from 4.9% to 5%, and its estimated monthly branded searches held steady at 4.4K.
How did search popularity change for dog backpack brands worldwide in September 2026?
1 change

K9 Sport Sack’s share of searches among dog backpack brands worldwide has lost ground for 3 months in a row, from 13.7% to 11.2% in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using K9 Sport Sack’s and Mountainsmith’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.
K9 Sport Sack
1 branded search term
- k9 sport sack
Mountainsmith
1 branded search term
- mountainsmith
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