Infant Swimsuit Boy Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Infant Swimsuit Boy sales on Amazon US totaled 9,550 units in July 2026 (▼ 34.6% vs. the prior month), generating an estimated $144,064 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 64.9% of unit volume and 56.8% of revenue, while a typical listing is priced at $18.89. The keyword itself pulled 3,162 Amazon queries over the same period (▼ 65.9% MoM).
Zooming out to the 12-month window ending July 2026, the infant swimsuit boy Top 50 moved 72,800 units and $1,088,956 in cumulative sales — an average of 6,067 units and $90,746 per month. Monthly throughput topped out at 14,450 units in June 2026 and dipped to 2,450 in October 2025, leaving the latest reading 31.7% higher than August 2025.
Infant Swimsuit Boy 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
9.6K
▼ 34.6% MoM
Monthly Revenue 2026/07
$144.1K
▼ 37.6% MoM
Top 10 Market Share 2026/07
64.9%
Infant Swimsuit Boy Market Share & Sales Concentration on Amazon US — July 2026
The most-sold infant swimsuit boy listing on Amazon US in July 2026 is ASIN B01JCO56OO (Brand: ALVA), which sold 3,000 units at $7.99 apiece — equal to 31.4% of every unit tracked in this report and 3.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 6,200 units and $81,820 in July 2026 — 64.9% of unit volume and 56.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Infant Swimsuit Boy' on Amazon
July 2026
Is 64.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B01JCO56OO
ALVA ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons – Waterproof PUL Leak-Proof UPF 30+ Small Size
3K
▼ 25.0%vs. prior month
$26.1K
latest month
12-month trend
B08ZDFV582
COASION Bendable Polarized Soft Baby Sunglasses with Strap Age 0-24 Months
1K
▼ 50.0%vs. prior month
$11.3K
latest month
12-month trend
B0D2X1C3R1
upandfast Baby/Toddler Swimsuit UPF 50+ Sun Protection One Piece Zipper Bathing Suit with Sun Hat Infant Beach Swimwear
400
▼ 33.3%vs. prior month
$7.9K
latest month
12-month trend
B0DN6F971G
Hnyenmcko Baby/Toddler Boy Rash Guard Swimsuit Long Sleeve One Piece Zipper Swimwear Sunsuit Infant Bathing Suit Beachwear
400
▼ 42.9%vs. prior month
$7.1K
latest month
12-month trend
B08QW7KX8J
Simple Joys by Carter's Baby Boys' 2-Pack 1-piece Zip Rashguards
300
▼ 40.0%vs. prior month
$8.7K
latest month
12-month trend
B0DQ3S1L8Q
Unisex Baby Rash Guard Shirts SPF Toddler Long Sleeve Swim Shirt
300
▼ 25.0%vs. prior month
$3.9K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Infant Swimsuit Boy Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
ALVA is the best-performing infant swimsuit boy brand in July 2026, moving 3,000 units across 1 ASIN for 48.4% of Top 10 volume. COASION follows with 1,000 units (16.1%), ahead of Hnyenmcko on 600 units (9.7%).
With 8 brands splitting the Top 10 and 74.2% 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 $17.29, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
ALVA
1 ASIN in Top 10
48.4%
Units
3K
Revenue
$26.1K
Avg. price
$7.99
B01JCO56OO
$7.99·★4.6·16.6K revsALVA ALVABABY Swim Diapers 2pcs Reusable Baby Boy Swim Diaper 0-8 Months Adjustable Snap Washable Infant Toddler Swimming Diaper for Pool Beach & Swim Lessons – Waterproof PUL Leak-Proof UPF 30+ Small Size
Units sold3K
COASION
1 ASIN in Top 10
16.1%
Units
1K
Revenue
$11.3K
Avg. price
$13.99
B08ZDFV582
$13.99·★4.8·6.9K revsCOASION Bendable Polarized Soft Baby Sunglasses with Strap Age 0-24 Months
Units sold1K
Hnyenmcko
2 ASINs in Top 10
9.7%
Units
600
Revenue
$10.7K
Avg. price
$17.29
B0DN6F971G
$17.59·★4.6·684 revsHnyenmcko Baby/Toddler Boy Rash Guard Swimsuit Long Sleeve One Piece Zipper Swimwear Sunsuit Infant Bathing Suit Beachwear
Units sold400B0DN6C3MJ1
$16.99·★4.6·685 revsHnyenmcko Baby/Toddler Boy Rash Guard Swimsuit Long Sleeve One Piece Zipper Swimwear Sunsuit Infant Bathing Suit Beachwear
Units sold200
Trending Infant Swimsuit Boy 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, B09KNFH2M5 leads positive momentum with ▲ 100.0% MoM growth on 200 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.
B09KNFH2M5
UMELOK Baby Boy Swimsuit One Piece Rash Guard Swimwear with Sun Hat UPF 50+
Price
$13.49
Rating
4.7
Reviews
1.6K
Latest month sales
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