Womens Bikini Underwear Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Womens Bikini Underwear sales on Amazon US totaled 88,550 units in July 2026 (▼ 4.6% vs. the prior month), generating an estimated $1,169,073 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 57.6% of unit volume and 56.9% of revenue, while a typical listing is priced at $13.82. The keyword itself pulled 11,255 Amazon queries over the same period (▼ 8.1% MoM).
Zooming out to the 12-month window ending July 2026, the womens bikini underwear Top 50 moved 937,700 units and $12,572,747 in cumulative sales — an average of 78,142 units and $1,047,729 per month. Monthly throughput topped out at 92,800 units in June 2026 and dipped to 39,800 in May 2026, leaving the latest reading 16.1% higher than August 2025.
Womens Bikini Underwear 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
88.5K
▼ 4.6% MoM
Monthly Revenue 2026/07
$1.2M
▼ 5.7% MoM
Top 10 Market Share 2026/07
57.6%
Womens Bikini Underwear Market Share & Sales Concentration on Amazon US — July 2026
The most-sold womens bikini underwear listing on Amazon US in July 2026 is ASIN B0B8ZPMKHP (Brand: Caterlove), which sold 10,000 units at $9.99 apiece — equal to 11.3% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 51,000 units and $664,780 in July 2026 — 57.6% of unit volume and 56.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Womens Bikini Underwear' on Amazon
July 2026
Is 57.6% 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
B0B8ZPMKHP
Caterlove Women's Seamless Underwear No Show Panties 6 Pack | Invisible Breathable Comfortable Briefs, Soft Stretchy Silky Touch Fabric, Low Rise Hipster for Gym Work Daily
10K
▲ 11.1%vs. prior month
$98.6K
latest month
12-month trend
B07RGCSNWN
INNERSY Womens Underwear Cotton Hipster Panties Regular & Plus Size 6-Pack
8K
▲ 14.3%vs. prior month
$140.6K
latest month
12-month trend
B0DHDB8DS8
UNDER THE SEA Cotton Underwear Women Sexy Cheeky Bikini Panties Lingerie Outfits 6 pack
6K
▲ 50.0%vs. prior month
$56.9K
latest month
12-month trend
B0GHRW5MR8
Take Talk Underwear Womens 9 Pack Seamless Thongs No Show Workout Panties
5K
▲ 25.0%vs. prior month
$57.7K
latest month
12-month trend
B08LK79FQT
FINETOO 6 Pack Women’s Seamless Hipster Underwear No Show Panties Invisibles Briefs Soft Stretch Bikini Underwears XS-XL
5K
▲ 0.0%vs. prior month
$71.5K
latest month
12-month trend
B0FF4P83DB
SHARICCA Womens Seamless Underwear Nuage No Show Hipster Panties 5 Pack
4K
▼ 20.0%vs. prior month
$60K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Womens Bikini Underwear Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Caterlove is the best-performing womens bikini underwear brand in July 2026, moving 10,000 units across 1 ASIN for 19.6% of Top 10 volume. INNERSY follows with 8,000 units (15.7%), ahead of FINETOO on 8,000 units (15.7%).
Volume is spread across 9 brands, with the top three holding 51.0% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.99 to $14.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Caterlove
1 ASIN in Top 10
19.6%
Units
10K
Revenue
$98.6K
Avg. price
$9.99
B0B8ZPMKHP
$9.99·★4.3·10.8K revsCaterlove Women's Seamless Underwear No Show Panties 6 Pack | Invisible Breathable Comfortable Briefs, Soft Stretchy Silky Touch Fabric, Low Rise Hipster for Gym Work Daily
Units sold10K
INNERSY
1 ASIN in Top 10
15.7%
Units
8K
Revenue
$140.6K
Avg. price
$14.99
B07RGCSNWN
$14.99·★4.5·49.4K revsINNERSY Womens Underwear Cotton Hipster Panties Regular & Plus Size 6-Pack
Units sold8K
FINETOO
2 ASINs in Top 10
15.7%
Units
8K
Revenue
$100.6K
Avg. price
$11.74
B08LK79FQT
$13.49·★4.2·21.4K revsFINETOO 6 Pack Women’s Seamless Hipster Underwear No Show Panties Invisibles Briefs Soft Stretch Bikini Underwears XS-XL
Units sold5KB0CBRW6Q1C
$9.99·★4.2·5.4K revsFINETOO Seamless Underwear Women No Show Cheeky Bikini Panties 6 Pack
Units sold3K
Trending Womens Bikini Underwear 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, one ASIN forced its way in: B0CBRW6Q1C booked 3K units at $9.99, with ▲ 50.0% MoM change. On the growth side, B0G2R1WRY6 leads positive momentum with ▲ 233.3% MoM growth on 1K units, with B0DHDB8DS8 close behind at ▲ 50.0% MoM on 6K units.
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.
B0CBRW6Q1C
FINETOO Seamless Underwear Women No Show Cheeky Bikini Panties 6 Pack
Price
$9.99
Rating
4.2
Reviews
5.4K
Latest month sales
B0G2R1WRY6
MISSWHO Seamless Womens Underwear Bikini No Show Soft Comfortable Invisibles Briefs Low Rise Hipster Panties 6 Pack
Price
$9.99
Rating
4.1
Reviews
402
Latest month sales
B0DHDB8DS8
UNDER THE SEA Cotton Underwear Women Sexy Cheeky Bikini Panties Lingerie Outfits 6 pack
Unlock to view ASIN details and product titles
Price
$9.99
Rating
4.3
Reviews
2K
Latest month sales
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