girls underwear
Launch itA $2.9M/yr market growing +7.7% this quarter with returns at 1.7% — clears our launch bar.
Market size
Incredible$2.9M$2.9M/yr · 5.1M searches
Competition
Great20%top-5 click share — an open shelf
Returns
Great1.7%return rate — above 6% kills the launch gate
Brand share
Great55%top-5 brand share — no brand owns this niche
Avg price
Great$15.77avg listing price — sweet spot $15–$100
Price range
Good$9.21–$31.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Growth
Okay+7.7%90-day search growth — must beat 0% to launch
Review moat
Bad11,529.69avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, girls underwear is a $2.9M/yr Amazon United States market (5.1M searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Jul–Aug. Verdict: Launch it — 65/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 150K–200K
- avg 1,000–1,250/product
- Revenue / yr
- $2.4M–$3.2M
- units × avg price
- Launch success
- 71%
- 15 of 21 new (360d)
- Conversion rate
- 3.6%
- Avg BSR
- #32
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 1.4%
- Avg brand age
- 49 months
- Avg seller age
- 136 days
Competition
Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.Brands
31 rising
Sellers
47
Top-5 brand share
55%
Top 20: 95%
Top-5 click share
20%
Top 20: 49%
Open market
40%
- Fruit of the Loom20%
- Hanes16%
- Winging Day8%
- BAMBOO COOL6%
- Family Feeling5%
- Boboking5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +7.7% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 1.9×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 106 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Winging Day Little Girls Assorted Prints Cotton Panties Size 6 (6-Pack)
Winging Day$17.004.7★6,088 rev
Family Feeling Little Girls Underwears Toddler Soft 100% Cotton Panties Little Girls Undies Assorted Underwear (Pack of 6) Size 3T 4T
Family Feeling$14.314.8★5,203 rev
Barara King Little Girls Undies Soft Cotton Panties Kids Underwear (Pack of 6) Size 3
Barara King$14.534.8★5,296 rev
Finihen Girls Underwear Seamless Teen Girls No Show Big Girls Panties Fashion Style Size11-12Years.
Finihen$19.024.6★441 rev
Fruit of the Loom Toddler Girls Toddler Girls Tag-Free Cotton Underwear Briefs
Fruit of the Loom$13.474.7★24,500 rev
Newest
by launch date
Amazon Essentials Girls Cotton Jersey Hipster Underwear Pack of 10 Neutrals 12
Amazon Essentials$16.0451 rev
Amazon Essentials Girls Cotton Jersey Hipster Underwear Pack of 10 Pastels 6
Amazon Essentials$15.5651 rev
Amazon Essentials Girls Cotton Jersey Hipster Underwear Pack of 10 Lilac/ Rainbow/ Stripes 6
Amazon Essentials$14.7751 rev
Amazon Essentials Girls Cotton Jersey Bikini Underwear Pack of 10 Pastels 12
Amazon Essentials$14.3270 rev
Yoofoss Girls Underwear 100% Organic Cotton Soft Toddler Kids Underwear Tag-free Comfort Girls Panties 6-Pack - Purple Unicorn 5T
Yoofoss$10.06187 rev
Trending
90-day click momentumYoofoss Girls Underwear 100% Organic Cotton Soft Toddler Kids Underwear Tag-free Comfort Girls Panties 6-Pack - Purple Unicorn 3T
Yoofoss$10.034.7★
Amazon Essentials Girls Cotton Jersey Hipster Underwear Pack of 10 Neutrals 12
Amazon Essentials$16.044.7★
Amazon Essentials Girls Cotton Jersey Hipster Underwear Pack of 10 Pastels 6
Amazon Essentials$15.564.7★
Amazon Essentials Girls Cotton Jersey Bikini Underwear Pack of 10 Pastels 12
Amazon Essentials$14.324.5★
Slenily Girls Mermaid Underwear Satrs Briefs Children Panties Set (Pack of 6) Size 4T
Slenily$19.914.8★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Not too tight”
“Excellent Product”
“Super comfortable”
“soft to the touch”
“Excellent Value”
“Cute colors”
“Comfortable good material”
“Cute designs”
“It provides good coverage and helps prevent the underwear from riding up during normal daily activities like walking, playing, or sports”
“Better then anticipated”
What buyers complain about
“they were tight”
“False advertising”
“Inferior quality”
“Falling apart”
“stretch out very easily”
“Synthetic material”
“Tore at seam”
“NOT ABSORBENT”
“Not the colors I ordered”
“The waist band is thicker than other underwear”
Top return reasons
Common questions
- Is girls underwear profitable to sell on Amazon United States?
- The niche generates $2.9M/yr across 106 tracked products. 15 of 21 products launched in the last 360 days are still selling. 90-day search growth is +7.7%. Flapen's verdict: Launch it (65/100).
- How competitive is the girls underwear niche?
- 31 brands and 47 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 55% of demand.
- What do buyers complain about in girls underwear?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Quality-Overall. The return rate is 1.7%.
- When does demand for girls underwear peak?
- Demand peaks in Jul–Aug; the busiest month runs 1.9× the quietest.
- What does it cost to enter the girls underwear niche?
- Listings span $9.21–$31.32; the average listing price is $15.77 (sweet spot $15–$100). The average incumbent carries 11,530 reviews — the moat a new listing must climb.
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