Under Shirt Fan Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Under Shirt Fan sales on Amazon US totaled 99,550 units in July 2026 (▼ 17.8% vs. the prior month), generating an estimated $2,349,870 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 60.3% of unit volume and 55.9% of revenue, while a typical listing is priced at $22.87. The keyword itself pulled 5,943 Amazon queries over the same period (▼ 53.1% MoM).
Zooming out to the 12-month window ending July 2026, the under shirt fan Top 50 moved 377,850 units and $8,894,944 in cumulative sales — an average of 31,488 units and $741,245 per month. Monthly throughput topped out at 121,100 units in June 2026 and dipped to 1,150 in January 2026, leaving the latest reading 97.9% higher than August 2025.
Under Shirt Fan 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
99.5K
▼ 17.8% MoM
Monthly Revenue 2026/07
$2.3M
▼ 18.9% MoM
Top 10 Market Share 2026/07
60.3%
Under Shirt Fan Market Share & Sales Concentration on Amazon US — July 2026
The most-sold under shirt fan listing on Amazon US in July 2026 is ASIN B0CZ3QR58B (Brand: Heelkl), which sold 10,000 units at $17.97 apiece — equal to 10.0% of every unit tracked in this report.
The Top 10 ASINs account for 60,000 units and $1,313,810 in July 2026 — 60.3% of unit volume and 55.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Under Shirt Fan' on Amazon
July 2026









Is 60.3% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown

B0CZ3QR58B
Heelkl 2026 AI Portable Fan Rechargeable, 4-Speed Strong Airflow, Personal Waist Fan with up to 25H of Working Time, Hands-Free Hanging Neck Fan, Wearable Belt Fan for Camping, Outdoor, Jobsite
10K
▲ 0.0%vs. prior month
$183K
latest month
12-month trend

B0GZ3MDQQ9
Waist Fan with Clip on: Portable 4-Speed Enlarged Fan-blades Personal Belt Fan with LED Light 6-11H of Working Time Hands-Free Neck Fan
10K
▲ 400.0%vs. prior month
$174.9K
latest month
12-month trend

B0DYDX8ZTS
Tedajo AI Portable Waist Fan, 6 Speeds 16000RPM Strong Turbo Airflow, 40H Max Cooling Battery Powered Personal Fan Rechargeable, Hands-Free Shirt/Belt/Neck Fan for Work, Outdoor, Travel, Gift for Men
7K
▼ 22.2%vs. prior month
$145.3K
latest month
12-month trend

B08911JGGW
JISULIFE Portable Neck Fan, Hands Free Bladeless Fan, 5 Speeds, 4000 mAh | Battery Operated Wearable Personal Fan, Twistable, Rechargeable Travel Essentials, Gifts for Women Men-Dark Green
6K
▼ 70.0%vs. prior month
$158.6K
latest month
12-month trend

B0F8P5RMPD
Portable Silent Mini Bladeless Fan Clip On, Small Fan Clip on for Shirt & Waist, Adjustable 3-Speed Suspended Whirlwind Fans, For Outdoor & Travel & Office, Travel Accessories, Gift
6K
▼ 40.0%vs. prior month
$97.1K
latest month
12-month trend

B0GHQYZBR7
Portable Clip-On Fan, Mini USB Rechargeable 360° Rotatable Fan, Personal Fan 3-Speed Silent Mini Bladeless Fans (White)
5K
▼ 28.6%vs. prior month
$82K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Under Shirt Fan Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Heelkl is the best-performing under shirt fan brand in July 2026, moving 10,000 units across 1 ASIN for 16.7% of Top 10 volume. ATOPICK follows with 10,000 units (16.7%), ahead of Socool fan on 8,000 units (13.3%).
Volume is spread across 9 brands, with the top three holding 46.7% 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 $17.97 to $28.49, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Heelkl
1 ASIN in Top 10
16.7%
Units
10K
Revenue
$183K
Avg. price
$17.97

B0CZ3QR58B
$17.97·★4.2·4.6K revsHeelkl 2026 AI Portable Fan Rechargeable, 4-Speed Strong Airflow, Personal Waist Fan with up to 25H of Working Time, Hands-Free Hanging Neck Fan, Wearable Belt Fan for Camping, Outdoor, Jobsite
Units sold10K
ATOPICK
1 ASIN in Top 10
16.7%
Units
10K
Revenue
$174.9K
Avg. price
$17.99

B0GZ3MDQQ9
$17.99·★4.3·374 revsWaist Fan with Clip on: Portable 4-Speed Enlarged Fan-blades Personal Belt Fan with LED Light 6-11H of Working Time Hands-Free Neck Fan
Units sold10K
Socool fan
2 ASINs in Top 10
13.3%
Units
8K
Revenue
$234.4K
Avg. price
$28.49

B0D7MFRQ2C
$29.99·★4.5·1.5K revsSocool 10000mAh Portable Waist Fan Clip on Wearable Belt Personal Fan Rechargeable Battery operated With 5 Speeds & Flashlight Neck Hands-Free 40H Cooling For Outdoor Camping Travel (Gray)
Units sold5K
B0D9RLL5NY
$26.99·★4.5·1.5K revsSocool 10000mAh Portable Waist Fan Clip on Wearable Belt Personal Fan Rechargeable Battery operated With 5 Speeds & Flashlight Neck Hands-Free 40H Cooling For Outdoor Camping Travel (Black)
Units sold3K
Trending Under Shirt Fan 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: B0GZ3MDQQ9 booked 10K units at $17.99, with ▲ 400.0% MoM change. On the growth side, B0GXDFTKDG leads positive momentum with ▲ 700.0% MoM growth on 800 units, with B0GVY7WG53 close behind at ▲ 500.0% MoM on 600 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.

B0GZ3MDQQ9
Waist Fan with Clip on: Portable 4-Speed Enlarged Fan-blades Personal Belt Fan with LED Light 6-11H of Working Time Hands-Free Neck Fan
Price
$17.99
Rating
4.3
Reviews
374
Latest month sales

B0GXDFTKDG
Portable Waist Fan, 16000RPM 3-Head Belt Clip Fan with 8000mAh Battery, 100 Speeds, 10m/s Strong Wind, Flashlight, Rechargeable Under Shirt Fan for Outdoor Jobsite Camping Travel Black
Price
$24.99
Rating
3.6
Reviews
63
Latest month sales

B0GVY7WG53
Portable Waist Fan, 12000mAh Rechargeable 3-Turbo Belt Fan | 3 turbo fans deliver strong airflow with hands-free clip-on cooling for outdoor jobsite, construction, farm and camping Black
Unlock to view ASIN details and product titles
Price
$22.47
Rating
4.4
Reviews
107
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this under shirt fan report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card