size 5 girls underwear
Worth a lookShows low returns (1.3%), but strong incumbent ratings (4.8★) keeps it on the watch list.
Returns
Great1.3%return rate — above 5% kills the launch gate
Competition
Great29%top-5 click share — an open shelf
Brand share
Great56%top-5 brand share — no brand owns this niche
Avg price
Great$15.03avg listing price — sweet spot $15–$100
Price range
Good$9.30–$26.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Growth
Okay+8.9%90-day search growth — must beat 0% to launch
Market size
Okay$103K$103K/yr · 122K searches
Review moat
Bad10,461.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, size 5 girls underwear is a $103K/yr Amazon United States market (122K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 55/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
size 5 girls underwear market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $90K–$120K
- units × avg price
- Conversion rate
- 5.6%
- Avg BSR
- #41
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 0.2%
- Avg brand age
- 44 months
- Avg seller age
- 143 days
Competition & brand share
Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.Brands
25 rising
Sellers
34
Top-5 brand share
56%
Top 20: 98%
Top-5 click share
29%
Top 20: 68%
Open market
38%
- Fruit of the Loom17%
- Winging Day12%
- Hanes12%
- Sladatona8%
- Boboking7%
- Family Feeling5%
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +8.9% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 2.5×
Top size 5 girls underwear search terms
- size 5 girls underwear20K/yr
- girls size 5 underwear13K/yr
- girls panties size 514K/yr
- size 5 underwear girls11K/yr
- girl underwear size 55K/yr
- 5t cotton underwear girls5K/yr
- 4t 5t girls underwear6K/yr
- little girls underwear size 57K/yr
- 4t/5t girls underwear5K/yr
- 4t girls panties5K/yr
Top size 5 girls 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
Hanes Girls and Toddler Underwear Cotton Knit Tagless Brief Hipster and Bikini Panties Multipack (Colors May Vary)
Hanes$10.104.6★17,270 rev

Winging Day Little Girls Assorted Prints Cotton Panties Size 5 (6-Pack)
Winging Day$14.894.7★6,088 rev

Sladatona Girls Soft Kids Starfish Briefs Comfortable Panites Toddler Undies 5T
Sladatona$20.504.8★884 rev

Boboking Little Girls Undies Kids Soft 100% Cotton Panties Underwear (Pack of 6) 5-6yrs Pink
Boboking$14.104.8★13,600 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
Yoofoss Girls Underwear 100% Organic Cotton Soft Toddler Kids Underwear Tag-free Comfort Girls Panties 6-Pack - Purple Unicorn 5T
Yoofoss$10.06187 rev

BliBliTaTa Girls Underwear Soft Cotton Tagless Panties for Toddlers & Little Kids Comfort Breathable Briefs in Sizes 18-24 Months 2T 3T 4T 5T 6T 7 8 10 12 Years Old 8-Pack Colorful-Flowers-5
BliBliTaTa$14.77959 rev

Yzjcafriz Girls Underwear 12 Pack Soft Kids Briefs Cotton Comfortable Panites (US Age 5 Pink)
Yzjcafriz$13.70328 rev

JAHSIYI Girls Underwear Toddler Unicorn Panties Little Kids Undies Children Horse Soft 100% Cotton Underpants Size 4T 5T Briefs Age 4 5 Years Old Tagless Clothes Panty
JAHSIYI$9.54619 rev

BliBliTaTa Girls Underwear Soft Cotton Tagless Panties for Toddlers & Little Kids Comfort Breathable Briefs in Sizes 18-24 Months 2T 3T 4T 5T 6T 7 8 10 12 Years Old 8-Pack Pink-6
BliBliTaTa$14.94959 rev
Trending
90-day click momentum
Yoofoss Girls Underwear 100% Organic Cotton Soft Toddler Kids Underwear Tag-free Comfort Girls Panties 6-Pack - Purple Unicorn 5T
Yoofoss$10.064.7★

Slenily Little Girls Soft Cotton Underwear Kids Cool Breathable Comfort Panty Briefs Toddler Undies (Pack of 6) Size 4T
Slenily$20.964.8★

Fruit of the Loom girls Cotton Underwear Multipacks Briefs 20 Pack - Basic Assorted 6 US
Fruit of the Loom$18.914.7★

Winging Day Little Girls Assorted Prints Cotton Panties Size 6 (6-Pack)
Winging Day$17.004.7★

BliBliTaTa Girls Underwear Soft Cotton Tagless Panties for Toddlers & Little Kids Comfort Breathable Briefs in Sizes 18-24 Months 2T 3T 4T 5T 6T 7 8 10 12 Years Old 8-Pack Colorful-Flowers-5
BliBliTaTa$14.774.8★
What buyers say about size 5 girls underwear
What buyers praise and complain about, mined from review topics.What buyers love
“not too tight”
“Excellent quality”
“Super comfortable”
“Comfy and soft”
“Good price”
“The material is extremely soft”
“Beautiful colors”
“Cute designs”
“Love the thick cotton”
“Very durable”
What buyers complain about
“Fits small”
“Inferior quality”
“Misleading title”
“stretch out very easily”
“the waist band DUG in”
“Fell apart on the very first wear”
“Poor stitching”
“The waist band is thicker than other underwear”
“princesses that were not just white”
“our main issue is the leg holes being too big”
Top return reasons
Common questions
- Is size 5 girls underwear profitable to sell on Amazon United States?
- The niche generates $103K/yr across 60 tracked products. 7 of 9 products launched in the last 360 days are still selling. 90-day search growth is +8.9%. Flapen's verdict: Worth a look (55/100).
- How competitive is the size 5 girls underwear niche?
- 25 brands and 34 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in size 5 girls underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 1.3%.
- When does demand for size 5 girls underwear peak?
- Demand peaks in Jul–Aug; the busiest month runs 2.5× the quietest.
- What does it cost to enter the size 5 girls underwear niche?
- Listings span $9.30–$26.48; the average listing price is $15.03 (sweet spot $15–$100). The average incumbent carries 10,462 reviews — the moat a new listing must climb.