Cap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Cap sales on Amazon US totaled 107,000 units in July 2026 (▼ 2.7% vs. the prior month), generating an estimated $1,661,424 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 51.4% of unit volume and 43.3% of revenue, while a typical listing is priced at $17.81. The keyword itself pulled 84,584 Amazon queries over the same period (▲ 0.3% MoM).
Zooming out to the 12-month window ending July 2026, the cap Top 50 moved 992,150 units and $16,044,057 in cumulative sales — an average of 82,679 units and $1,337,005 per month. Monthly throughput topped out at 117,500 units in December 2025 and dipped to 50,200 in May 2026, leaving the latest reading 43.2% higher than August 2025.
Cap 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
107K
▼ 2.7% MoM
Monthly Revenue 2026/07
$1.7M
▼ 4.2% MoM
Top 10 Market Share 2026/07
51.4%
Cap Market Share & Sales Concentration on Amazon US — July 2026
The most-sold cap listing on Amazon US in July 2026 is ASIN B07T16DQ31 (Brand: Frida), which sold 10,000 units at $13.99 apiece — equal to 9.3% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 55,000 units and $719,850 in July 2026 — 51.4% of unit volume and 43.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Cap' on Amazon
July 2026









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Top 5 Volume Share breakdown

B07T16DQ31
Frida Baby The 3-Step Cradle Cap System, DermaFrida FlakeFixer, White-Blue | Sponge, Brush and Comb Set with Storage Stand for Baby's Cradle Cap, Gentle Care, White-Blue
10K
▲ 0.0%vs. prior month
$115.9K
latest month
12-month trend

B0DZ6851DP
3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner
8K
▲ 60.0%vs. prior month
$119.9K
latest month
12-month trend

B0FWZYK9QL
Yanibest Satin Lined Shower Cap, Shower Caps for Women Reusable Waterproof | Frizz Free & Large Durable Bath Cap with Soft Elastic Band, Luxury Hair Protection Caps, Nylon Shower Hair Cap
7K
▼ 22.2%vs. prior month
$82.8K
latest month
12-month trend

B07ZRVGXDF
Disposable Shower Caps 100 Pcs - Multi-Purpose Thickening Elastic Bath Cap Plastic Waterproof Clear Shower Caps Bath Shower Hair Caps Women Spa,Home Use, Hotel and Hair Salon, Portable Travel(18.1")
7K
▲ 40.0%vs. prior month
$60.6K
latest month
12-month trend

B0GHF67NGP
QINGLONGLIN Cooling Skull Cap Sweat Wicking Breathable for Men Women 3 Pack
5K
▲ 66.7%vs. prior month
$74.2K
latest month
12-month trend

B07VCM1Z8H
New Balance Lightweight Running/Athletic Skullcap Hat, Beanie, Cap
4K
▼ 20.0%vs. prior month
$80K
latest month
12-month trend
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Best Cap Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Frida is the best-performing cap brand in July 2026, moving 10,000 units across 1 ASIN for 18.2% of Top 10 volume. THINDUST follows with 8,000 units (14.5%), ahead of YANIBEST on 7,000 units (12.7%).
Volume is spread across 10 brands, with the top three holding 45.5% 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 $12.99 to $14.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Frida
1 ASIN in Top 10
18.2%
Units
10K
Revenue
$115.9K
Avg. price
$13.99

B07T16DQ31
$13.99·★4.7·31.3K revsFrida Baby The 3-Step Cradle Cap System, DermaFrida FlakeFixer, White-Blue | Sponge, Brush and Comb Set with Storage Stand for Baby's Cradle Cap, Gentle Care, White-Blue
Units sold10K
THINDUST
1 ASIN in Top 10
14.5%
Units
8K
Revenue
$119.9K
Avg. price
$14.99

B0DZ6851DP
$14.99·★4.4·904 revs3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner
Units sold8K
YANIBEST
1 ASIN in Top 10
12.7%
Units
7K
Revenue
$82.8K
Avg. price
$12.99

B0FWZYK9QL
$12.99·★4.6·703 revsYanibest Satin Lined Shower Cap, Shower Caps for Women Reusable Waterproof | Frizz Free & Large Durable Bath Cap with Soft Elastic Band, Luxury Hair Protection Caps, Nylon Shower Hair Cap
Units sold7K
Trending Cap 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, 2 ASINs forced its way in: B0748W31L5 booked 4K units at $15.57, with ▲ 100.0% MoM change. On the growth side, B00MURUOJ8 leads positive momentum with ▲ 150.0% MoM growth on 2K 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.

B0748W31L5
adidas Men's Superlite Hat – Lightweight Moisture-Wicking Cap for Workout and Training
Price
$15.57
Rating
4.7
Reviews
14.7K
Latest month sales

B073DWP91X
Flexfit Men's Athletic Baseball Fitted Cap
Price
$13.11
Rating
4.6
Reviews
46.2K
Latest month sales

B00MURUOJ8
Nike Dri-Fit Skull Cap
Unlock to view ASIN details and product titles
Price
$19.99
Rating
4.6
Reviews
1K
Latest month sales
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