--- title: "Calvin Klein vs Mack Weldon: Which is searched more?" description: "Is Calvin Klein or Mack Weldon more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Men's underwear 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/mens-underwear-brands/compare/calvin-klein-vs-mack-weldon" publisher: "Brandwave" --- # Calvin Klein vs Mack Weldon: Which is searched more? Is Calvin Klein or Mack Weldon more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Men's underwear 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**: Calvin Klein and Mack Weldon - **Competitive set**: Men's underwear brands - **Market**: Global - **Month measured**: Sep 2026 - **Calvin Klein Share of Search**: 45.3% - **Mack Weldon Share of Search**: 3.1% ## Is Calvin Klein or Mack Weldon more popular in search? - In September 2026, Calvin Klein had more branded searches than Mack Weldon among men's underwear brands worldwide. Calvin Klein had about 478,000 branded searches, while Mack Weldon had 33,100. Calvin Klein made up 45.3% of all men's underwear brand searches we track, and Mack Weldon accounted for 3.1%. - Calvin Klein was ahead of Mack Weldon in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Calvin Klein’s share of searches among men's underwear brands worldwide moved from 42.8% to 45.3%, and its estimated monthly branded searches moved from 411K to 478K. - Across the 12 months ending September 2026, Mack Weldon’s share of searches among men's underwear brands worldwide moved from 4.2% to 3.1%, and its estimated monthly branded searches moved from 40.5K to 33.1K. ## Top men's underwear brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Calvin Klein was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Mack Weldon was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Calvin Klein was listed before Mack Weldon 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 | | --- | --- | --- | --- | --- | | Calvin Klein | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Tommy John | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Uniqlo | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | Mack Weldon | 4th | 2 of 3 | 0 of 2 | 2 of 5 | | SAXX | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Jockey | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Step One | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Bonds | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about men's underwear brands - Asked ChatGPT "Which men's underwear brand should I buy?": 1. Calvin Klein, 2. Tommy John, 3. Uniqlo - Asked ChatGPT "What are the best men's underwear brands?": 1. SAXX, 2. Calvin Klein, 3. Uniqlo, 4. Mack Weldon, 5. Tommy John - Asked ChatGPT "What's the best men's underwear brand for everyday wear?": 1. Calvin Klein, 2. Mack Weldon, 3. Tommy John, 4. Uniqlo - Searched Google, AI Overview "best men's underwear": 1. Calvin Klein, 2. Tommy John, 3. Uniqlo - Searched Google, AI Overview "mens boxer briefs": named none of the brands we track Not named in any answer: Jockey, Step One and Bonds. 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 men's underwear brands worldwide in September 2026? - In September 2026, Calvin Klein overtook Tommy John to become the leader among men's underwear brands worldwide, with 45.3% of the searches. - In September 2026, Mack Weldon gained share of searches among men's underwear brands worldwide, from 1.8% to 3.1%. ## Month by month | Month | Calvin Klein estimated searches | Calvin Klein Share of Search | Calvin Klein rank | Mack Weldon estimated searches | Mack Weldon Share of Search | Mack Weldon rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 411K | 42.8% | 1 | 40.5K | 4.2% | 6 | | Nov 2025 | 696K | 46.2% | 1 | 74K | 4.9% | 6 | | Dec 2025 | 696K | 51.4% | 1 | 60.5K | 4.5% | 6 | | Jan 2026 | 411K | 43.6% | 1 | 40.5K | 4.3% | 6 | | Feb 2026 | 411K | 47% | 1 | 33.1K | 3.8% | 6 | | Mar 2026 | 660K | 56.5% | 1 | 33.1K | 2.8% | 6 | | Apr 2026 | 478K | 47.8% | 1 | 33.1K | 3.3% | 6 | | May 2026 | 660K | 53.1% | 1 | 33.1K | 2.7% | 6 | | Jun 2026 | 660K | 54.4% | 1 | 33.1K | 2.7% | 6 | | Jul 2026 | 585K | 50.8% | 1 | 27.1K | 2.4% | 6 | | Aug 2026 | 660K | 35.6% | 2 | 33.1K | 1.8% | 6 | | Sep 2026 | 478K | 45.3% | 1 | 33.1K | 3.1% | 6 | ## How each brand is measured Brandwave collects information about searches that people make online using Calvin Klein’s and Mack Weldon’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. - **Calvin Klein**: Measured on the search terms “calvin klein boxers” and “calvin klein underwear”, summed into one figure. - **Mack Weldon**: Measured on the search term “mack weldon”. - [Calvin Klein profile](/demand/global-en/brands/calvin-klein) - [Mack Weldon profile](/demand/global-en/brands/mack-weldon) - [All men's underwear brands worldwide](/demand/global-en/categories/mens-underwear-brands): The set both shares are measured inside, 8 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 Calvin Klein or Mack Weldon more popular in search? In September 2026, Calvin Klein had more branded searches than Mack Weldon among men's underwear brands worldwide. Calvin Klein had about 478,000 branded searches, while Mack Weldon had 33,100. Calvin Klein made up 45.3% of all men's underwear brand searches we track, and Mack Weldon accounted for 3.1%. ## Cite this page Brandwave. "Calvin Klein vs Mack Weldon: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/mens-underwear-brands/compare/calvin-klein-vs-mack-weldon This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/mens-underwear-brands/compare/calvin-klein-vs-mack-weldon. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.