Brandwave

Castelli vs Mons Royale:Which is more popular?

In September 2026, Mons Royale had more branded searches than Castelli among base layer brands in New Zealand. Mons Royale had about 9,310 branded searches, while Castelli had 170. Mons Royale made up 15.2% of all base layer brand searches we track, and Castelli accounted for 0.28%. When we asked ChatGPT and Google AI Overviews about base layer brands, Mons Royale appeared in all five answers and Castelli in none.

Among base layer brands in New Zealand in September 2026

Who do people search for more?

Mons Royale, about 55 searches for every 1 for Castelli

Mons Royale 9.3K searchesCastelli 170 searches

Who does AI mention more?

Mons Royale, mentioned in every answer we collected

Mons Royale in 5 of 5Castelli in 0 of 5

Who does AI recommend more?

Mons Royale, the only one of the two named

Mons Royale first in 5Castelli never named

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Top base layer brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Mons Royale appeared in all five answers. Castelli 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. Icebreaker1st
  2. Mons Royale2nd
  3. Macpac3rd
  4. Devold4th
  5. Columbia–
  6. Burton–
  7. Castelli–
  8. First Lite–

Mentioned by AI

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

  • Macpac5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Mons Royale5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Icebreaker4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Devold2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Columbia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Burton0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Castelli0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • First Lite0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about base layer brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Is Castelli or Mons Royale more popular in search?

This chart shows how often people search Google for Castelli and Mons Royale by name. Each line represents a brand's share of searches for all eight base layer brands we track, month by month, from searches in New Zealand.

Castelli and Mons Royale among base layer brands in New Zealand, by month

Share of searches by month for Mons Royale, Castelli. The figures are in the table below the chart.

View monthly share of searches table
MonthMacpacMons RoyaleColumbiaIcebreakerBurtonDevoldCastelliFirst Lite
Oct 202590%7.9%0.48%0.56%0.14%0.26%0.32%0.32%
Nov 202589%9.4%0.34%0.49%0.09%0.26%0.26%0.21%
Dec 202591.1%7.6%0.43%0.28%0.07%0.21%0.17%0.14%
Jan 202690.6%7.7%0.52%0.34%0.13%0.31%0.21%0.21%
Feb 202688.9%9%0.53%0.46%0.16%0.38%0.3%0.3%
Mar 202687.3%10.9%0.44%0.46%0.11%0.31%0.25%0.25%
Apr 202686.9%11%0.58%0.37%0.16%0.3%0.3%0.3%
May 202686.7%11.2%0.62%0.41%0.16%0.25%0.38%0.31%
Jun 202688.6%9.5%0.55%0.36%0.22%0.22%0.27%0.22%
Jul 202684.3%13.4%0.57%0.54%0.46%0.3%0.25%0.2%
Aug 202681.8%15.5%0.72%0.59%0.53%0.29%0.23%0.29%
Sep 202682.4%15.2%0.57%0.57%0.34%0.34%0.28%0.23%

How has the Castelli and Mons Royale comparison changed over the last 12 months?

3 findings
  • Mons Royale was ahead of Castelli in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Castelli’s share of searches among base layer brands in New Zealand moved from 0.32% to 0.28%, and its estimated monthly branded searches moved from 210 to 170.
  • Across the 12 months ending September 2026, Mons Royale’s share of searches among base layer brands in New Zealand moved from 7.9% to 15.2%, and its estimated monthly branded searches moved from 5.3K to 9.3K.

How did search popularity change for New Zealand base layer brands in September 2026?

2 changes

  1. In September 2026, Castelli rose from 8th to 7th among base layer brands in New Zealand.

  2. Estimated monthly branded searches for Mons Royale in New Zealand rose 77.3% over 12 measured months, from 5.3K to 9.3K in September 2026.

How are branded searches counted?

13 search terms

Brandwave collects information about searches that people make online using Castelli’s and Mons Royale’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.

Castelli

1 branded search term

  • castelli

Mons Royale

12 branded search terms

  • mons royale
  • mons royale cap
  • mons royale hoodie
  • mons royale jacket
  • mons royale neckwarmer
  • mons royale outlet
  • mons royale pants
  • mons royale sale
  • mons royale shorts
  • mons royale socks
  • mons royale vest
  • monsroyale

How the Brand Demand Index is measured

Other head-to-heads among base layer brands

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