Kids Swim Cap Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Kids Swim Cap sales on Amazon US totaled 61,150 units in July 2026 (▼ 13.9% vs. the prior month), generating an estimated $752,562 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 65.4% of unit volume and 66.0% of revenue, while a typical listing is priced at $12.17. The keyword itself pulled 7,899 Amazon queries over the same period (▼ 55.4% MoM).
Zooming out to the 12-month window ending July 2026, the kids swim cap Top 50 moved 338,650 units and $4,086,147 in cumulative sales — an average of 28,221 units and $340,512 per month. Monthly throughput topped out at 71,050 units in June 2026 and dipped to 11,550 in December 2025, leaving the latest reading 90.8% higher than August 2025.
Kids Swim 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
61.1K
▼ 13.9% MoM
Monthly Revenue 2026/07
$752.6K
▼ 15.4% MoM
Top 10 Market Share 2026/07
65.4%
Kids Swim Cap Market Share & Sales Concentration on Amazon US — July 2026
The most-sold kids swim cap listing on Amazon US in July 2026 is ASIN B083B81VJT (Brand: Aegend), which sold 10,000 units at $7.99 apiece — equal to 16.4% of every unit tracked in this report.
The Top 10 ASINs account for 40,000 units and $496,340 in July 2026 — 65.4% of unit volume and 66.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Kids Swim Cap' on Amazon
July 2026
Is 65.4% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B083B81VJT
Aegend Swim Goggles for Kids 3-14 Anti-Fog Anti-Leak Goggles for Swimming | 2 Pack Anti-UV Comfort Fit Swim Mask for Boys Girls Youth Ideal for Pool, Beach, Swim Lessons, Vacation Essentials
10K
▲ 0.0%vs. prior month
$110.9K
latest month
12-month trend
B01H30LN6E
SO COZY SoCozy Splash Swim 3 in 1 Shampoo + Conditioner + Wash, 10.5 Ounce ( Pack May Vary )
10K
▲ 0.0%vs. prior month
$119.9K
latest month
12-month trend
B0CQNV5G3H
Kids Swimming Ear Plugs,3 Pairs Waterproof Reusable Silicone Child Swim Earplugs for Swimming Surfing Bathing Showering,Small Children Water Ear Plugs Suitable for Boys and Girls (Kids 4-12 Years Old)
6K
▲ 0.0%vs. prior month
$73.4K
latest month
12-month trend
B08H1JRZK1
Seago Swim Cap Long Hair 2 Pack Silicone Waterproof Women Adult Girls 10+ | Keep Hair Dry Waterproof Flexible Durable Bathing Cap Tear-Proof Large Men Women Swimming Cap for Long Hair Dreadlocks Braids
3K
▼ 25.0%vs. prior month
$31K
latest month
12-month trend
B08SQKWK7C
Kids Swim Cap 2 Pack,Silicone Swim Cap for Kids Ages 3-15 | Durable Waterproof Swimming Caps for Girls Boys Toddler,Comfortable Fit for Long Hair Short Hair,for Swimming Lessons Pool
2K
▼ 33.3%vs. prior month
$20K
latest month
12-month trend
B0DXBWKTWW
2 Pack Large Swim Caps for Long Hair, Silicone Swimming Cap for Adult Women Men, Waterproof Swim Hats Bathing Caps to Keep Hair Dry with Bonus Nose Clip and Earplugs
2K
▼ 33.3%vs. prior month
$33.5K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Kids Swim Cap Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Aegend is the best-performing kids swim cap brand in July 2026, moving 10,000 units across 1 ASIN for 25.0% of Top 10 volume. SO COZY follows with 10,000 units (25.0%), ahead of FNGXX on 6,000 units (15.0%).
With 9 brands splitting the Top 10 and 65.0% 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 $7.99 to $11.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Aegend
1 ASIN in Top 10
25.0%
Units
10K
Revenue
$110.9K
Avg. price
$7.99
B083B81VJT
$7.99·★4.5·16.1K revsAegend Swim Goggles for Kids 3-14 Anti-Fog Anti-Leak Goggles for Swimming | 2 Pack Anti-UV Comfort Fit Swim Mask for Boys Girls Youth Ideal for Pool, Beach, Swim Lessons, Vacation Essentials
Units sold10K
SO COZY
1 ASIN in Top 10
25.0%
Units
10K
Revenue
$119.9K
Avg. price
$11.99
B01H30LN6E
$11.99·★4.6·9.7K revsSO COZY SoCozy Splash Swim 3 in 1 Shampoo + Conditioner + Wash, 10.5 Ounce ( Pack May Vary )
Units sold10K
FNGXX
1 ASIN in Top 10
15.0%
Units
6K
Revenue
$73.4K
Avg. price
$11.04
B0CQNV5G3H
$11.04·★4.4·8.1K revsKids Swimming Ear Plugs,3 Pairs Waterproof Reusable Silicone Child Swim Earplugs for Swimming Surfing Bathing Showering,Small Children Water Ear Plugs Suitable for Boys and Girls (Kids 4-12 Years Old)
Units sold6K
Trending Kids Swim 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. On the growth side, B0GKGCF4S5 leads positive momentum with ▲ 200.0% MoM growth on 300 units, with B097C6C9M2 close behind at ▲ 100.0% MoM on 100 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.
B0GKGCF4S5
Kids Extra Large Swim Cap for Braids Long Hair 2 Pack | Silicone Swim Cap for Boys Girls Youth, Fits Thick Curly Hair, Braids, Dreadlocks & Afro Hair, Comfortable Swimming Cap
Price
$14.98
Rating
4.2
Reviews
360
Latest month sales
B097C6C9M2
Limmys Kids Silicone Swim Cap – Non-Slip, No-Pull, Soft Stretch, Ear Seal | 100% Latex-Free Silicone for All-Day Comfort - Easy On & Off - Chlorine Resistant for Season-Long Swimming
Price
$7.99
Rating
4.1
Reviews
2.9K
Latest month sales
B0DWMR2TCP
Kids Swim Cap for Girls Boys, 2 Size Silicone Swimming Cap for Long Hair, Waterproof Swim Hats for Toddlers Children Teens to Keep Hair Dry
Unlock to view ASIN details and product titles
Price
$9.98
Rating
4.6
Reviews
593
Latest month sales
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