Cap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

July 2026

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.

992.1KTotal units sold · Last 12 months
$16MTotal revenue · Last 12 months
84.6K▲ 0.3% MoM
Monthly search volume
$17.81Avg. price · July 2026

Cap Sales Trend (Trailing 12 Months)

Based on the top 50 ASINs by monthly sales for this keyword

Sales
Revenue

2025/08

Sales74.7K
Revenue$1.2M

2025/09

Sales76.2K
Revenue$1.2M

2025/10

Sales84.8K
Revenue$1.3M

2025/11

Sales86.5K
Revenue$1.4M

2025/12

Sales117.5K
Revenue$2.1M

2026/01

Sales62.8K
Revenue$1.1M

2026/02

Sales60.1K
Revenue$1M

2026/03

Sales78.3K
Revenue$1.3M

2026/04

Sales84K
Revenue$1.3M

2026/05

Sales50.2K
Revenue$787.7K

2026/06

Sales110K
Revenue$1.7M
107K

2026/07

Sales107K
Revenue$1.7M
25/0925/1126/0126/0326/0526/07
ASINSIGHT
Source: www.asinsight.com

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%

See the Top 10 ASINs driving 51.4% of sales

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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51.4% Volume Share 55K units sold
43.3% Revenue Share $719.9K estimated
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Top 5 Volume Share breakdown

B07T16DQ31 9.3%
B0DZ6851DP 7.5%
B0FWZYK9QL 6.5%
B07ZRVGXDF 6.5%
B0GHF67NGP 4.7%
Others 65.4%
#1
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

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

$13.99· 4.7·31.3K reviews
Monthly Sales

10K

▲ 0.0%

vs. prior month

Revenue

$115.9K

latest month

Monthly Trend

12-month trend

#2
3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

B0DZ6851DP

3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

$14.99· 4.4·904 reviews
Monthly Sales

8K

▲ 60.0%

vs. prior month

Revenue

$119.9K

latest month

Monthly Trend

12-month trend

#3
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

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

$12.99· 4.6·703 reviews
Monthly Sales

7K

▼ 22.2%

vs. prior month

Revenue

$82.8K

latest month

Monthly Trend

12-month trend

#4
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")

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")

$8.99· 4.6·7.9K reviews
Monthly Sales

7K

▲ 40.0%

vs. prior month

Revenue

$60.6K

latest month

Monthly Trend

12-month trend

#5
QINGLONGLIN Cooling Skull Cap Sweat Wicking Breathable for Men Women 3 Pack

B0GHF67NGP

QINGLONGLIN Cooling Skull Cap Sweat Wicking Breathable for Men Women 3 Pack

$14.99· 4.4·353 reviews
Monthly Sales

5K

▲ 66.7%

vs. prior month

Revenue

$74.2K

latest month

Monthly Trend

12-month trend

#6
New Balance Lightweight Running/Athletic Skullcap Hat, Beanie, Cap

B07VCM1Z8H

New Balance Lightweight Running/Athletic Skullcap Hat, Beanie, Cap

$19.99· 4.6·2.6K reviews
Monthly Sales

4K

▼ 20.0%

vs. prior month

Revenue

$80K

latest month

Monthly Trend

12-month trend

Unlock to view all Top 50 ASIN competitors and their sales contributions

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

18.2%
14.5%
12.7%
54.5%
Frida
THINDUST
YANIBEST
Other brands
1

Frida

1 ASIN in Top 10

18.2%

Units

10K

Revenue

$115.9K

Avg. price

$13.99

  • 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

    B07T16DQ31

    $13.99·4.7·31.3K revs

    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

    Units sold10K
2

THINDUST

1 ASIN in Top 10

14.5%

Units

8K

Revenue

$119.9K

Avg. price

$14.99

  • 3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

    B0DZ6851DP

    $14.99·4.4·904 revs

    3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner

    Units sold8K
3

YANIBEST

1 ASIN in Top 10

12.7%

Units

7K

Revenue

$82.8K

Avg. price

$12.99

  • 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

    B0FWZYK9QL

    $12.99·4.6·703 revs

    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

    Units sold7K

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