Nighttime Underwear for Girls
Worth a lookShows low returns (0.7%), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible$28.62avg listing price — sweet spot $15–$100
Conversion
Great10.9%search→purchase rate — share of searches ending in a sale
Price range
Great$9.55–$58.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+34.6%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Market size
Okay$121K$121K/yr · 39K searches
Review moat
Bad4,213.35avg incumbent reviews — the moat a new listing must climb
Brand share
Bad92%top-5 brand share — brand-locked demand
Is nighttime underwear for girls profitable on Amazon?
According to Flapen's Amazon United States niche tracking, nighttime underwear for girls is a $121K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jun. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
nighttime underwear for girls market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $43K–$57K
- units × avg price
- Conversion rate
- 10.9%
- Avg BSR
- #163
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 1.0%
- Avg brand age
- 35 months
- Avg seller age
- 120 days
Competition: brands, sellers & click share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
35
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
5%
- Ninjamas55%
- Linzama13%
- FUVVRVAL8%
- GoodNites8%
- Hupohoi7%
- Little Sleepies3%
- Open — no brand owns it (3 brands, 5%)
nighttime underwear for girls demand & seasonality
Weekly Amazon search volume, last 104 weeks — +34.6% search growth over the last 90 days.Peak months: Jun · busiest ÷ quietest = 2.6×
Top nighttime underwear for girls search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- ninjamas girls lxl16K/yr
- ninjamas girls xl13K/yr
- ninjamas girls l/xl10K/yr
Top nighttime underwear for girls products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Ninjamas Girls Bedwetting Nighttime Underwear Pampers Pull Ups Size L (64-95+ lbs) 68 Count Overnight Underwear Kids Ultra Absorbent Hypoallergenic
Ninjamas$50.764.6★8,121 rev
Ninjamas Girls Bedwetting Nighttime Underwear Size L (64-95+ lbs) 34 Count Overnight Protection Ultra Absorbent Hypoallergenic
Ninjamas$26.394.6★8,121 rev
FUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids
FUVVRVAL$32.113.9★37 rev
Ninjamas Girls Bedwetting Nighttime Underwear - Size L (64-95+ lbs) 11 Count Overnight Protection Ultra Absorbent Hypoallergenic
Ninjamas$9.554.6★8,121 rev
Linzama Teen Girls Incontinence UnderwearHolds Up to Regular 10 Tampons Leakproof Period ViscoseReusable Size 11-12year
Linzama$19.334.2★32 rev
Newest
by launch dateFUVVRVAL Girls Incontinence Briefs Leakproof Bedwetting Underwear Kids
FUVVRVAL$32.1137 rev
Sanguanlun Leakproof Underwear for Teens 4-Pack Day & Night Set Seamless Leakproof Panties for Girls Heavy Flow Protection. Pink
Sanguanlun$20.7511 rev
Little Sleepies Two-Piece Pajama Set for Boys & Girls Soft Viscose from Bamboo Toddler Pajamas for Kids Family Matching PJs Butterfly Kisses 12-14
Little Sleepies$37.871,148 rev
Linzama Teen Girls Incontinence UnderwearHolds Up to Regular 10 Tampons Leakproof Period ViscoseReusable Size 11-12year
Linzama$19.3332 rev
Linzama Teen Girls Incontinence UnderwearHolds Up to Regular 10 Tampons Leakproof Period ViscoseReusable Size 13-14year
Linzama$19.1332 rev
Trending
90-day click momentumSanguanlun Leakproof Underwear for Teens 4-Pack Day & Night Set Seamless Leakproof Panties for Girls Heavy Flow Protection. Pink
Sanguanlun$20.753.9★
Hupohoi Girls Pajama Sets Summer Short Sleeve With Shorts & Pants Sleepwear
Hupohoi$20.444.7★
US Angels Girls Pajamas Set - 3-Piece PJs Set Tank Pants & Shorts Soft Girls Sleepwear Teen Kids Pajamas Size 5-16
US Angels$22.194.6★
BTween Girls 3 Pack Velour Jogger Pant Set Solid Tie Dye or Camo Sweatpants for Girls TDYE 6
BTween$29.404.7★
Little Sleepies Two-Piece Pajama Set for Boys & Girls Soft Viscose from Bamboo Toddler Pajamas for Kids Family Matching PJs Butterfly Kisses 12-14
Little Sleepies$37.874.7★
What reviews say buyers love and hate about nighttime underwear for girls
What buyers praise and complain about, mined from review topics.What buyers love
“They are comfortable”
“Fits great”
“it doesnt leak”
“They absorb so much”
“overall theyre comfortable soft”
“Item held up perfectly”
“they look as new as they came”
“and have held up nicely through multiple washes”
“The cotton fabric is incredibly soft and breathable, making them comfortable enough for all-day wear at school or sports without feeling bulky like traditional pads”
“Its easy to use”
What buyers complain about
“Leaks”
“Heavy perfume”
“Rash”
“They just do not absorb that much at all”
“The value could be a bit better for the price range”
Top return reasons
Common nighttime underwear for girls questions
- Is nighttime underwear for girls profitable to sell on Amazon United States?
- The niche generates $121K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +34.6%. Flapen's verdict: Worth a look (54/100).
- How competitive is the nighttime underwear for girls niche?
- 9 brands and 35 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in nighttime underwear for girls?
- Top complaints mined from reviews: Leak-Proof, Smell, Allergies. The return rate is 0.7%.
- When does demand for nighttime underwear for girls peak?
- Demand peaks in Jun; the busiest month runs 2.6× the quietest.
- What does it cost to enter the nighttime underwear for girls niche?
- Listings span $9.55–$58.99; the average listing price is $28.62 (sweet spot $15–$100). The average incumbent carries 4,213 reviews — the moat a new listing must climb.