Brandwave

Brooks vs Under Armour:Which is more popular?

In September 2026, Under Armour had more branded searches than Brooks among sports bra brands worldwide. Under Armour had about 3.4 million branded searches, while Brooks had 74,000. Under Armour made up 5.5% of all sports bra brand searches we track, and Brooks accounted for 0.12%. When we asked ChatGPT and Google AI Overviews about sports bra brands, Brooks appeared in two of the five answers and Under Armour in one. Brooks was mentioned before Under Armour in two out of three answers that named either.

Among sports bra brands worldwide in September 2026

Who do people search for more?

Under Armour, about 45 searches for every 1 for Brooks

Under Armour 3.4M searchesBrooks 74K searches

Who does AI mention more?

Brooks, mentioned in 2 of 5 answers, Under Armour in 1

Brooks in 2 of 5Under Armour in 1 of 5

Who does AI recommend more?

Brooks, named ahead of Under Armour in 2 of 3 answers

Brooks first in 2Under Armour first in 1

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Top sports bra brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Brooks was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Under Armour was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Brooks was listed before Under Armour in two out of three answers that named either.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Nike1st
  2. Lululemon2nd
  3. Brooks2nd
  4. Enell4th
  5. Under Armour5th
  6. Adidas–
  7. Victoria's Secret–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Lululemon4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Nike3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Brooks2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Enell2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Under Armour1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Adidas0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Victoria's Secret0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about sports bra brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is Brooks or Under Armour more popular in search?

This chart shows how often people search Google for Brooks and Under Armour by name. Each line represents a brand's share of searches for all seven sports bra brands we track, month by month, from English-language searches worldwide.

Brooks and Under Armour among sports bra brands worldwide, by month

Share of searches by month for Under Armour, Brooks. The figures are in the table below the chart.

View monthly share of searches table
MonthNikeAdidasLululemonUnder ArmourVictoria's SecretBrooksEnell
Oct 202537.7%35.2%20.6%6.2%0.25%0.14%<0.01%
Nov 202538.1%34.6%21.6%5.3%0.21%0.1%<0.01%
Dec 202536.7%32.7%24.3%6%0.2%0.09%<0.01%
Jan 202642.2%31.9%19.7%5.9%0.2%0.11%<0.01%
Feb 202640%35.9%18.2%5.5%0.22%0.1%<0.01%
Mar 202641.2%37.7%15.2%5.6%0.19%0.12%<0.01%
Apr 202639.5%36.9%17.8%5.4%0.26%0.15%<0.01%
May 202637.4%40.3%16.8%5.1%0.25%0.14%<0.01%
Jun 202637.9%39.2%17.3%5.2%0.26%0.12%<0.01%
Jul 202637.8%39.8%17%5.1%0.25%0.11%<0.01%
Aug 202637.7%40%16.8%5.1%0.25%0.14%<0.01%
Sep 202640%35.9%18.2%5.5%0.27%0.12%<0.01%

How has the Brooks and Under Armour comparison changed over the last 12 months?

3 findings
  • Under Armour was ahead of Brooks in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Brooks’ share of searches among sports bra brands worldwide moved from 0.14% to 0.12%, and its estimated monthly branded searches moved from 90.5K to 74K.
  • Across the 12 months ending September 2026, Under Armour’s share of searches among sports bra brands worldwide moved from 6.2% to 5.5%, and its estimated monthly branded searches moved from 4.1M to 3.4M.

How did search popularity change for sports bra brands worldwide in September 2026?

2 changes
  1. Estimated monthly branded searches for Brooks worldwide fell 18.2% over 12 measured months, from 90.5K to 74K in September 2026.

  2. Estimated monthly branded searches for Under Armour worldwide fell 18.1% over 12 measured months, from 4.1M to 3.4M in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Brooks’ and Under Armour’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.

Brooks

1 branded search term

  • brooks adrenaline

Under Armour

1 branded search term

  • under armour

How the Brand Demand Index is measured

Other head-to-heads among sports bra brands

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