Cotton Bras Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Cotton Bras sales on Amazon US totaled 47,000 units in July 2026 (▼ 14.5% vs. the prior month), generating an estimated $914,745 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 42.6% of unit volume and 38.6% of revenue, while a typical listing is priced at $19.82. The keyword itself pulled 15,747 Amazon queries over the same period (▼ 10.6% MoM).
Zooming out to the 12-month window ending July 2026, the cotton bras Top 50 moved 424,900 units and $8,129,637 in cumulative sales — an average of 35,408 units and $677,470 per month. Monthly throughput topped out at 55,000 units in June 2026 and dipped to 22,100 in May 2026, leaving the latest reading 13.5% higher than August 2025.
Cotton Bras Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
47K
▼ 14.5% MoM
Monthly Revenue 2026/07
$914.7K
▼ 12.7% MoM
Top 10 Market Share 2026/07
42.6%
Cotton Bras Market Share & Sales Concentration on Amazon US — July 2026
The most-sold cotton bras listing on Amazon US in July 2026 is ASIN B0B6V1J8MW (Brand: Herepai), which sold 4,000 units at $18.99 apiece — equal to 8.5% of every unit tracked in this report.
The Top 10 ASINs account for 20,000 units and $353,130 in July 2026 — 42.6% of unit volume and 38.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Cotton Bras' on Amazon
July 2026
Is 42.6% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0B6V1J8MW
Herepai Big Girls' Adjustable Training Bra Cotton Bras Wireless Light Padded 10-16 Years
4K
▲ 33.3%vs. prior month
$76K
latest month
12-month trend
B0D8GQ969K
OEAK Womens Jelly Bras Wireless Deep V Bralette Comfy Push Up Tshirt Bras
4K
▲ 0.0%vs. prior month
$74.2K
latest month
12-month trend
B06XY7DBGT
Popular Cotton Girls Training Bra - Crop Cami Training Bras for Girls with Adjustable Straps. Cotton Bra Pack.
3K
▲ 0.0%vs. prior month
$60.1K
latest month
12-month trend
B09XN3MZQJ
Hanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
2K
▼ 33.3%vs. prior month
$29.2K
latest month
12-month trend
B0GHMW9L53
LetsJoli Jelly Bras for Women No Underwire Plus Size Push Up Supportive | Full Coverage, Wireless Support Lift, For Older Women Large Breasts, Minimizer, Seamless Everyday Bra
2K
▲ 0.0%vs. prior month
$40K
latest month
12-month trend
B09XN265QS
Hanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
1K
▲ 0.0%vs. prior month
$14.6K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Cotton Bras Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Hanes is the best-performing cotton bras brand in July 2026, moving 7,000 units across 6 ASINs for 35.0% of Top 10 volume. Herepai follows with 4,000 units (20.0%), ahead of OEAK on 4,000 units (20.0%).
With 5 brands splitting the Top 10 and 75.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $16.48 to $18.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Hanes
6 ASINs in Top 10
35.0%
Units
7K
Revenue
$102.9K
Avg. price
$16.48
B09XN3MZQJ
$13.45·★4.2·9.5K revsHanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Units sold2KB09XN265QS
$16.99·★4.2·9.5K revsHanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Units sold1KB09XN4MBDN
$16.99·★4.2·9.5K revsHanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Units sold1KB09XN537BV
$16.99·★4.2·9.5K revsHanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Units sold1KB00U5TADVW
$17.49·★4.2·9.8K revsHanes Women's Wireless Bra, Smooth Comfort Full-Coverage T-Shirt Bra for Women, Single Or 2-Pack
Units sold1KB09XN48SGQ
$16.99·★4.2·9.5K revsHanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Units sold1K
Herepai
1 ASIN in Top 10
20.0%
Units
4K
Revenue
$76K
Avg. price
$18.99
B0B6V1J8MW
$18.99·★4.5·1K revsHerepai Big Girls' Adjustable Training Bra Cotton Bras Wireless Light Padded 10-16 Years
Units sold4K
OEAK
1 ASIN in Top 10
20.0%
Units
4K
Revenue
$74.2K
Avg. price
$17.99
B0D8GQ969K
$17.99·★3.9·13.4K revsOEAK Womens Jelly Bras Wireless Deep V Bralette Comfy Push Up Tshirt Bras
Units sold4K
Trending Cotton Bras Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B09XN537BV booked 1K units at $16.99, with ▲ 0.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B09XN537BV
Hanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Price
$16.99
Rating
4.2
Reviews
9.5K
Latest month sales
B00U5TADVW
Hanes Women's Wireless Bra, Smooth Comfort Full-Coverage T-Shirt Bra for Women, Single Or 2-Pack
Price
$17.49
Rating
4.2
Reviews
9.8K
Latest month sales
B09XN48SGQ
Hanes Women's String Bralette Pack, 3-Pack, Cotton Sports Bralette Bras for Women, Solid or Assorted Wireless Bras
Unlock to view ASIN details and product titles
Price
$16.99
Rating
4.2
Reviews
9.5K
Latest month sales
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