boys underwear
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Competition
Great35%top-5 click share — an open shelf
Growth
Good+26.0%90-day search growth — must beat 0% to launch
Review moat
Good1,336.19avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£11.83avg listing price — sweet spot $15–$100
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Price range
Okay£7.30–£20.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£208K£208K/yr · 506K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United Kingdom niche tracking, boys underwear is a £208K/yr Amazon United Kingdom market (506K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Aug–Dec. Verdict: Worth a look — 56/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
boys underwear market data
- Units sold / yr
- 13K–15K
- avg 100–250/product
- Revenue / yr
- £148K–£177K
- units × avg price
- Conversion rate
- 3.5%
- Avg BSR
- #19
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 79%
- Out of stock
- 7.8%
- Avg brand age
- 46 months
- Avg seller age
- 177 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
18 falling
Sellers
25
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
35%
Top 20: 67%
Open market
16%
- Pierre Calvini29%
- Bonjour17%
- Brandless Collective11%
- The Essentials Wardrobe11%
- JackLoveBriefs9%
- ThePyjamaFactory7%
- Open — no brand owns it (12 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +26.0% search growth over the last 90 days.Peak months: Aug, Dec · busiest ÷ quietest = 1.8×
Top boys underwear search terms
- boys boxers109K/yr
- boys underwear65K/yr
- boys pants48K/yr
- boys boxers 13-14 years multipack41K/yr
- boys boxers 11-12 years multipack33K/yr
- boys boxers 14-15 years multipack31K/yr
- boys boxers 9-10 years24K/yr
- kids boxers18K/yr
- boys boxer shorts19K/yr
- boys boxers 7-8 years18K/yr
Top boys underwear 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pierre Calvini Boys Boxers - Soft & Breathable Cotton Boys Boxer Shorts - Durable Breathable & Anti-Chafing Cotton Boxer Shorts - Comfortable Kids Boxers - 12 Pk - Black - Ages 11-12
Pierre Calvini£20.784.6★1,637 rev
Pierre Calvini Boys Boxers - Soft & Breathable Cotton Boys Boxer Shorts - Durable Breathable & Anti-Chafing Cotton Boxer Shorts - Comfortable Kids Boxers - 6 Pk - Black Multicolour - Ages 13-14
Pierre Calvini£13.994.6★1,637 rev
Pierre Calvini Boys Boxers - Soft & Breathable Cotton Boys Boxer Shorts - Durable Breathable & Anti-Chafing Cotton Boxer Shorts - Comfortable Kids Boxers - 6 Pk - Black & Grey - Ages 13-14
Pierre Calvini£14.214.6★1,637 rev
The Essentials Wardrobe Boys FCO 5 Pack Boxer - 10/11 YRS - Black
The Essentials Wardrobe£8.264.7★420 rev
JackLoveBriefs Boys Boxer Shorts Cotton Dinosaur Polar Bear Pattern Boy Underwear 12 Pack 4-5 Years Blue Size: M
JackLoveBriefs£13.654.5★5,222 rev
Newest
by launch date
Brandless Collective Days of the Week Boys Boxers - 7 Pack Cotton Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Ages 13
Brandless Collective£12.7830 rev
Brandless Collective Boys Boxers - 6 Pack Lightweight Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Black - Ages 13
Brandless Collective£12.4931 rev
Brandless Collective Boys Boxers - 6 Pack Lightweight Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Blue Stripes - Ages 13
Brandless Collective£12.2231 rev
Brandless Collective Camo Boys Boxers - 6 Pack Cotton Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Ages 13
Brandless Collective£12.4831 rev
Bonjour Boys Boxer Shorts - Days of the Week - 7 Pack - Cotton Designer Waistband Trunks Boxers Underwear (5 yrs - 13 yrs) Black
Bonjour£9.8649 rev
Trending
90-day click momentumBrandless Collective Boys Boxers - 6 Pack Lightweight Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Blue Stripes - Ages 13
Brandless Collective£12.224.7★
Brandless Collective Boys Boxers - 6 Pack Lightweight Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Black - Ages 13
Brandless Collective£12.494.7★
Brandless Collective Camo Boys Boxers - 6 Pack Cotton Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Ages 13
Brandless Collective£12.484.7★
Brandless Collective Days of the Week Boys Boxers - 7 Pack Cotton Boys Underwear Multipack Breathable Kids Boxers with Flexible Fit Soft Waistband & Secure Hold - Ages 13
Brandless Collective£12.784.9★
Bonjour Boys Boxer Shorts - Days of the Week - 7 Pack - Cotton Designer Waistband Trunks Boxers Underwear (5 yrs - 13 yrs) Black
Bonjour£9.864.5★
What buyers say about boys underwear
What buyers praise and complain about, mined from review topics.What buyers love
“not too tight”
“Excellent value for money”
“everything feels well made”
“Nice and comfortable”
“soft material”
“The material is soft”
“it also has a good stretch”
“The boxers were easy to wash”
“The design is simple yet stylish”
“the colours are bright”
What buyers complain about
“the waistband is a little tight”
“the elastic should be better on these shorts”
“Cheap”
“Uncomfortable”
“low waist fit”
“Quite thin”
“The waist part is wide”
“they fade badly after a few washes”
“I see no reason why they wouldn't last a good time”
“couldnt cut it so close to the boxers are it caused the stitching to come away”
Common questions
- Is boys underwear profitable to sell on Amazon United Kingdom?
- The niche generates £208K/yr across 57 tracked products. 0 of 15 products launched in the last 360 days are still selling. 90-day search growth is +26.0%. Flapen's verdict: Worth a look (56/100).
- How competitive is the boys underwear niche?
- 18 brands and 25 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in boys underwear?
- Top complaints mined from reviews: Size-Overall, Stretchability/Expandability/Elasticity, Quality-Overall. The return rate is 0.0%.
- When does demand for boys underwear peak?
- Demand peaks in Aug–Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the boys underwear niche?
- Listings span £7.30–£20.78; the average listing price is £11.83 (sweet spot $15–$100). The average incumbent carries 1,336 reviews — the moat a new listing must climb.