5t underwear
Worth a lookShows a fragmented shelf (top 5 take 25% of clicks), but strong incumbent ratings (4.7★) keeps it on the watch list.
Competition
Great25%top-5 click share — an open shelf
Returns
Great1.5%return rate — above 5% kills the launch gate
Avg price
Great$16.14avg listing price — sweet spot $15–$100
Price range
Good$9.54–$25.72cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Market size
Okay$195K$195K/yr · 261K searches
Growth
Okay+8.3%90-day search growth — must beat 0% to launch
Review moat
Bad7,452.4avg 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, 5t underwear is a $195K/yr Amazon United States market (261K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Dec. Verdict: Worth a look — 55/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
5t underwear market data
- Units sold / yr
- 10K–13K
- avg 100–250/product
- Revenue / yr
- $161K–$202K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #84
- Page quality
- 0%
- Prime
- 99%
- Sponsored
- 64%
- Out of stock
- 1.6%
- Avg brand age
- 52 months
- Avg seller age
- 141 days
Competition & brand share
Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.Brands
22 rising
Sellers
27
Top-5 brand share
66%
Top 20: 99%
Top-5 click share
25%
Top 20: 57%
Open market
27%
- Disney32%
- Hanes9%
- Sladatona9%
- Boboking8%
- JAHSIYI8%
- Fruit of the Loom7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.3% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.5×
Top 5t underwear search terms
- 4t underwear30K/yr
- 5t underwear24K/yr
- toddler underwear 5t14K/yr
- 4t panties for toddler girls18K/yr
- princess underwear 4t16K/yr
- underwear 4t21K/yr
- disney underwear for girls15K/yr
- princess underwear 5t12K/yr
- princess underwear12K/yr
- frozen underwear 4t13K/yr
Top 5t 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
Disney Girls Princess Exclusive 12 Days of Surprise Unboxing Panties for Special Occasions or Potty Training Fun sizes 2/3T 4T 6 20
Disney$20.404.7★2,158 rev

JAHSIYI Girls Underwear Toddler Princess Panties 100% Organic Cotton Kids Briefs Soft Tagless Underpants Children Undies Clothes Size 3T Age 3 Years Old
JAHSIYI$16.894.8★1,577 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

Disney Frozen Underwear available in Brief Panties and Girl Shorts Sizes 2/3T-10
Disney$11.154.7★16,992 rev

Disney Princess Underwear Multipacks With Cinderella Belle Ariel Aurora & more in 2/3T-10
Disney$16.104.7★7,462 rev
Newest
by launch date
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

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

Sladatona Girls Soft Kids Starfish Briefs Comfortable Panites Toddler Undies 5T
Sladatona$20.50884 rev

Sladatona Toddler Girls Comfortable Underwear Kids Mermaid Briefs Soft Panites 5T
Sladatona$24.50884 rev
Trending
90-day click momentum
Sladatona Toddler Girls Comfortable Underwear Kids Mermaid Briefs Soft Panites 5T
Sladatona$24.504.8★

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★

Boboking Kids Soft Cotton Underwear Unicorn GirlsBriefs Toddler Undies 6yrs
Boboking$15.534.8★

Disney Frozen Underwear available in Brief Panties and Girl Shorts Sizes 2/3T-10
Disney$15.494.7★

Fruit of the Loom Toddler Girls Tag-Free Cotton Underwear Hipster-12 Pack-Assorted Colors 4-5T
Fruit of the Loom$12.974.7★
What buyers say about 5t underwear
What buyers praise and complain about, mined from review topics.What buyers love
“Not too tight”
“Excellent quality”
“Very comfortable”
“Soft to touch”
“Good price”
“Bright colors”
“The material is extremely soft”
“The designs are cute”
“Great for kids thats trained”
“Washes well”
What buyers complain about
“Fits small”
“Inferior quality”
“Misleading title”
“Poor elastic quality”
“Shrinks”
“Way too small in thighs - leg hole size doesnt mesh well with waist size”
“Sensitive to smell, dont buy”
“Cracks after first wash”
“Thick exposed seams at the crotch”
“The waist band is thicker than other underwear”
Top return reasons
Common questions
- Is 5t underwear profitable to sell on Amazon United States?
- The niche generates $195K/yr across 72 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +8.3%. Flapen's verdict: Worth a look (55/100).
- How competitive is the 5t underwear niche?
- 22 brands and 27 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in 5t underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 1.5%.
- When does demand for 5t underwear peak?
- Demand peaks in Dec; the busiest month runs 1.5× the quietest.
- What does it cost to enter the 5t underwear niche?
- Listings span $9.54–$25.72; the average listing price is $16.14 (sweet spot $15–$100). The average incumbent carries 7,452 reviews — the moat a new listing must climb.