Is boys swimming trunks profitable to sell on Amazon United Kingdom?

The niche generates £101K/yr across 75 tracked products. 1 of 16 products launched in the last 360 days are still selling. 90-day search growth is +29.0%. Flapen's verdict: Skip it (49/100).

How competitive is the boys swimming trunks niche?

27 brands and 58 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in boys swimming trunks?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Stitch/Finish/Polish. The return rate is 4.2%.

When does demand for boys swimming trunks peak?

Demand peaks in Jul–Aug; the busiest month runs 2.8× the quietest.

What does it cost to enter the boys swimming trunks niche?

Listings span £4.71–£20.30; the average listing price is £10.25 (sweet spot $15–$100). The average incumbent carries 733 reviews — the moat a new listing must climb.

boys swimming trunks

Skip it

Weak search conversion (1.8%) — this niche doesn't clear our bar today.

Competition

Great28%

top-5 click share — an open shelf

Brand share

Good60%

top-5 brand share — brands hold most of the demand

Review moat

Good732.84

avg incumbent reviews — the moat a new listing must climb

Growth

Good+29.0%

90-day search growth — must beat 0% to launch

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay4.2%

return rate — above 5% kills the launch gate

Avg price

Okay£10.25

avg listing price — sweet spot $15–$100

Price range

Okay£4.71–£20.30

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Okay£101K

£101K/yr · 536K searches

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Signals No Dominant Brand

According to Flapen's Amazon United Kingdom niche tracking, boys swimming trunks is a £101K/yr Amazon United Kingdom market (536K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 49/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

boys swimming trunks market data

Units sold / yr: 10K–13K; avg 0–100/product
Revenue / yr: £103K–£128K; units × avg price
Conversion rate: 1.8%
Avg BSR: #24
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 2.1%
Avg brand age: 35 months
Avg seller age: 173 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

27 falling

Sellers

Top-5 brand share

60%

Top 20: 96%

Top-5 click share

28%

Top 20: 58%

Open market

35%

RIPT18%
maamgic17%
Speedo10%
TRAMLE9%
MEILONGER8%
GENTABY5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +29.0% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 2.8×

Open Trend

Top boys swimming trunks search terms

boys swimming shorts186K/yr +37.4%1.4% conv.
boys swim shorts57K/yr +43.4%0.9% conv.
boys swimming trunks68K/yr -7.9%1.1% conv.
swim shorts boys39K/yr +42.3%1.0% conv.
swimming trunks boys33K/yr +24.9%1.1% conv.
swimming shorts boys 13-1416K/yr +23.0%2.5% conv.
swimming shorts boys18K/yr +27.8%1.4% conv.
boys swim trunks15K/yr +35.6%0.5% conv.
swim trunks boys13K/yr +28.0%0.6% conv.
kids swim shorts11K/yr +65.5%1.1% conv.

All search terms

Top boys swimming trunks products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

maamgic Little Boys Swimming Shorts Beach Trunk Toddler Swim Shorts Boardshorts Lightweight Beach Shorts Adjustable Waist All Age Fish-Navy Blue 4 Years

maamgic£11.194.6★3,444 rev

maamgic Boys Swimming Shorts for 2T-16 Years Stretchy Quick Dry Boys Swim Trunks Anti Chafe Boxer Brief Swimsuits with Pockets

maamgic£15.264.5★614 rev

RIPT Boys Swim Shorts Quick Dry Board Shorts with Mesh Lining Drawstring Waist UV 50 Sun Protection Surfing Swimming Trunks (Red 11-12 Years)

RIPT£7.114.6★2,468 rev

GENTABY Boys Beach Shorts Kids Swimming Trunks with Mesh Lining Toddler Board Quick Dry Funny Printed Blue Shorts for 13-14 Years

GENTABY£6.604.5★73 rev

MEILONGER Boys Swimming Shorts with Liner Swim Trunks for Teen Quick Dry Board Shorts Kids 5-inch(Black 13-14)

MEILONGER£10.603.9★39 rev

Newest

by launch date

TEMIRA Boys Swimming Trunks Kids Toddler Drawstring Board Shorts Blue 8-9

TEMIRA£7.8710 rev

5mo ago

TRAMLE Boys Swimming Shorts Quick Dry Board Trunks Casual Walking Sports Beach Shorts for Kids Toddler 7-8 Years Black

TRAMLE£8.5555 rev

9mo ago

MEILONGER Boys Swimming Shorts with Liner Swim Trunks for Teen Quick Dry Board Shorts Kids 5-inch(Black 13-14)

MEILONGER£10.6039 rev

11mo ago

TRAMLE Boys Swimming Trunks Kids Beach Shorts with Mesh Lining 5-6 Years Toddler Printed Shorts Quick Dry Board Shorts Blue

TRAMLE£6.9130 rev

1y ago

Minecraft Boys Swimming Trunks Gaming Swim Shorts Ages 5 to 12 Years Old (UK Age 10 Years 11 Years Regular Multicoloured)

Minecraft£12.8571 rev

1y ago

What buyers say about boys swimming trunks

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall21%

“Great quality fur the price”

Size-Overall16%

“The fit stayed in place well enough that I wasnt constantly checking”

Comfort-Overall11%

“Very comfortable”

Value For Money11%

“reasonably priced”

Advertised Vs Actual Product5%

“As shown”

Material Quality4%

“The material feels durable”

Color3%

“The colour looks good”

Machine Wash Suitability3%

“They are machine washable”

Stretchability/Expandability/Elasticity2%

“and an elastic waistband”

Durability2%

“Strong and durable”

What buyers complain about

Size-Overall37%

“A little oversized”

Quality-Overall16%

“Cheap and cheerful”

Stitch/Finish/Polish4%

“The stitching is messy”

Stretchability/Expandability/Elasticity4%

“The waist elastic was really itchy”

Material Quality2%

“Very thin material”

Durability2%

“Within 5 minutes of putting on the metal eyelets around the drawstring had come off causing a cut to the young person wearing them”

Length1%

“its very long”

Ankle Support1%

“the shorts were around his ankles much too large”

Thickness1%

“Very thin material”

Color1%

“wrong colour”

Top return reasons

Size-Overall82%

Length3%

Waist Fit3%

Thigh Fit2%

Quality-Overall2%

Color1%

Material Quality1%

Comfort-Overall1%

Advertised Vs Actual Product1%

Shape/Style1%

Common questions

Is boys swimming trunks profitable to sell on Amazon United Kingdom?: The niche generates £101K/yr across 75 tracked products. 1 of 16 products launched in the last 360 days are still selling. 90-day search growth is +29.0%. Flapen's verdict: Skip it (49/100).
How competitive is the boys swimming trunks niche?: 27 brands and 58 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in boys swimming trunks?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Stitch/Finish/Polish. The return rate is 4.2%.
When does demand for boys swimming trunks peak?: Demand peaks in Jul–Aug; the busiest month runs 2.8× the quietest.
What does it cost to enter the boys swimming trunks niche?: Listings span £4.71–£20.30; the average listing price is £10.25 (sweet spot $15–$100). The average incumbent carries 733 reviews — the moat a new listing must climb.