Brandwave

Aerie vs Knix:Which is more popular?

In September 2026, Aerie and Knix were level in searches among underwear brands in the United States, with an estimated 27.1K branded searches each, at 6% of the total each. When we asked ChatGPT and Google AI Overviews about underwear brands, Aerie appeared in two of the five answers and Knix in none.

Among underwear brands in the United States in September 2026

Who do people search for more?

Aerie and Knix are searched for about as often as each other.

Aerie 27.1K searchesKnix 27.1K searches

Who does AI mention more?

Aerie, mentioned in 2 of 5 answers, Knix in 0

Aerie in 2 of 5Knix in 0 of 5

Who does AI recommend more?

Aerie, the only one of the two named

Aerie first in 2Knix never named

Follow Aerie vs Knix and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top underwear brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Aerie was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Knix did not appear in any of the five answers.

Most recommended by AI

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

  1. Tommy John1st
  2. Hanes2nd
  3. Aerie2nd
  4. Calvin Klein4th
  5. MeUndies5th
  6. Bombas6th
  7. Jockey–
  8. SKIMS–
  9. Victoria's Secret–
  10. Knix–
  11. +3 more

Mentioned by AI

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

  • Tommy John5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Hanes4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Calvin Klein2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Aerie2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • MeUndies1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bombas1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Jockey0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • SKIMS0 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
  • Knix0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+3 more

See every answer about underwear brands

5 answers

Brands are shown in the order each answer named them. The survey took place in United States on October 26, 2026.

Is Aerie or Knix more popular in search?

This chart shows how often people search Google for Aerie and Knix by name. Each line represents a brand's share of searches for all 13 underwear brands we track, month by month, from searches in United States.

Aerie and Knix among underwear brands in the United States, by month

Share of searches by month for Aerie, Knix. The figures are in the table below the chart.

View monthly share of searches table
MonthMeUndiesCalvin KleinJockeyHanesSKIMSVictoria's SecretAerieKnixTommy JohnBranwynThinxSAXXBombas
Oct 202524.5%16.4%6%7.3%16.4%7.3%4.9%4.9%6%1.5%2.2%1.5%0.98%
Nov 202528.2%18.9%6.9%6.9%6.9%6.9%5.7%5.7%6.9%1.7%2.1%2.1%0.93%
Dec 202527.9%18.7%5.6%8.4%6.9%8.4%5.6%4.6%6.9%1.4%1.7%3.1%0.92%
Jan 202628.8%15.8%7.1%8.7%7.1%7.1%5.8%7.1%5.8%1.4%2.1%2.1%1.2%
Feb 202626.3%21.4%6.4%9.6%6.4%6.4%5.3%6.4%5.3%1.6%1.9%1.9%0.86%
Mar 202616.1%44.1%5.9%4.9%4.9%4.9%4%5.9%4%1.5%1.8%1.5%0.65%
Apr 202621.3%26.2%7.9%7.9%6.4%6.4%4.3%7.9%5.3%1.9%2.3%1.6%0.7%
May 202617%38%6.3%6.3%4.2%5.1%4.2%7.7%5.1%1.9%1.9%1.9%0.56%
Jun 202618%32.9%8.1%5.4%4.4%6.6%4.4%9.9%4.4%1.6%1.6%2%0.59%
Jul 202619.9%24.4%7.3%7.3%9%7.3%4.9%9%4.9%1.8%1.8%1.8%0.65%
Aug 202619%28.6%7%7%7%7%5.7%7%5.7%1.7%1.7%1.7%0.76%
Sep 202624.3%20%8.9%7.3%7.3%7.3%6%6%6%2.2%2.2%1.8%0.79%

How has the Aerie and Knix comparison changed over the last 12 months?

3 findings
  • The lead changed hands once in the 12 months ending September 2026: Knix took it in January 2026.
  • Across the 12 months ending September 2026, Aerie’s share of searches among underwear brands in the United States moved from 4.9% to 6%, and its estimated monthly branded searches held steady at 27.1K.
  • Across the 12 months ending September 2026, Knix’s share of searches among underwear brands in the United States moved from 4.9% to 6%, and its estimated monthly branded searches held steady at 27.1K.

How did search popularity change for United States underwear brands in September 2026?

2 changes
  1. In September 2026, Knix lost share of searches among underwear brands in the United States, from 7% to 6%.

  2. Aerie’s share of searches among underwear brands in the United States has gained ground for 3 months in a row, from 4.4% to 6% in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Aerie’s and Knix’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.

Aerie

1 branded search term

  • aerie underwear

Knix

1 branded search term

  • knix

How the Brand Demand Index is measured

Other head-to-heads among underwear brands

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.