Mothman Onesie
Skip itA small market ($5K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$33.60avg listing price — sweet spot $15–$100
Price range
Incredible$19.74–$43.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great209.52avg incumbent reviews — the moat a new listing must climb
Competition
Great35%top-5 click share — an open shelf
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Returns
Bad6.4%return rate — above 5% kills the launch gate
Growth
Bad-16.2%90-day search growth — must beat 0% to launch
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Market size
Bad$5K$5K/yr · 75K searches
Is mothman onesie profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mothman onesie is a $5K/yr Amazon United States market (75K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
mothman onesie market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $17K–$25K
- units × avg price
- Conversion rate
- 0.2%
- Avg BSR
- #44,833
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 86%
- Out of stock
- 18.3%
- Avg brand age
- 33 months
- Avg seller age
- 195 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
13 rising
Sellers
16
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
35%
Top 20: 80%
Open market
15%
- YUTCOTC26%
- MORNINGFLY19%
- JUOLOET14%
- NEWCOSPLAY13%
- AMAMHAHAVA9%
- KZLFSHI4%
- Open — no brand owns it (7 brands, 15%)
mothman onesie demand & seasonality
Weekly Amazon search volume, last 91 weeks — -16.2% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 15.6×
Top mothman onesie search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mothman onesie33K/yr
- moth onesie15K/yr
- moth onesie adult11K/yr
- mothman onesie adult8K/yr
- mothman pajamas5K/yr
- mothman onesies adult3K/yr
Top mothman onesie 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MORNINGFLY Mothman Onesie Pajamas Mothman Costume Adult Halloween Onesie Christmas Cosplay Unisex Party Costume
MORNINGFLY$40.514.7★277 rev
YUTCOTC Mothman Costume Mothman Onesie Pajamas Halloween Cosplay Unisex Party Costume
YUTCOTC$39.994.6★170 rev
NEWCOSPLAY Unisex Adult White Mothman Onesie Pajamas Animal One Piece Halloween Costume Cosplay Sleepwear (White Mothman Medium)
NEWCOSPLAY$34.014.5★138 rev
YUTCOTC Mothman Costume Mothman Onesie Pajamas Halloween Cosplay Unisex Party Costume
YUTCOTC$42.964.6★170 rev
KZLFSHI Adult Onesie Pajamas Cosplay Halloween Costume Animals Sleepwear Jumpsuit Costume for Women Men (US Alpha X-Large Regular Regular black)
KZLFSHI$33.724.4★64 rev
Newest
by launch date
YUTCOTC Mothman Costume Mothman Onesie Pajamas Halloween Cosplay Unisex Party Costume
YUTCOTC$43.05170 rev
MORNINGFLY Mothman Onesie Pajamas Mothman Costume Adult Halloween Onesie Christmas Cosplay Unisex Party Costume
MORNINGFLY$39.80277 rev
JUOLOET Unisex Adult Onesie Pajamas Mothman Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearBlack Mothman XX-Large
JUOLOET$30.95473 rev
JUOLOET Unisex Adult Mothman Onesie Pajamas Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearGrey Mothman Small
JUOLOET$25.87473 rev
NEWCOSPLAY Unisex Adult White Mothman Onesie Pajamas Animal One Piece Halloween Costume Cosplay Sleepwear (White Mothman Medium)
NEWCOSPLAY$34.01138 rev
Trending
90-day click momentumMORNINGFLY Mothman Onesie Pajamas Mothman Costume Adult Halloween Onesie Christmas Cosplay Unisex Party Costume
MORNINGFLY$39.804.7★
JUOLOET Unisex Adult Onesie Pajamas Mothman Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearBlack Mothman XX-Large
JUOLOET$30.954.6★
YUTCOTC Mothman Costume Mothman Onesie Pajamas Halloween Cosplay Unisex Party Costume
YUTCOTC$43.054.6★
AMAMHAHAVA Luna Moth Onesie Pajamas for Adults Luna Moth Halloween Cosplay Costume Christmas Cartoon One-Piece Cozy Sleepwear
AMAMHAHAVA$40.124.5★
JUOLOET Unisex Adult Mothman Onesie Pajamas Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearRed Mothman Small
JUOLOET$27.154.6★
What reviews say buyers love and hate about mothman onesie
What buyers praise and complain about, mined from review topics.What buyers love
“Very warm”
“Fits perfectly”
“It was more high-quality than expected”
“Comfortable”
“Super thick and cozy”
“Worth every cent :-”
“Fun gift for my daughter who loves it”
“It's quite soft and adorable”
“IT HAS POCKETS”
“If they made this in other colors”
What buyers complain about
“I would size down”
“Messed up product :”
“Hood is a little heavy”
“Fabric definitely isn't the softest”
“it made it a bit difficult for me to walk in”
“Worn multiple times”
Top return reasons
Common mothman onesie questions
- Is mothman onesie profitable to sell on Amazon United States?
- The niche generates $5K/yr across 42 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -16.2%. Flapen's verdict: Skip it (38/100).
- How competitive is the mothman onesie niche?
- 13 brands and 16 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in mothman onesie?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Weight Heavy. The return rate is 6.4% — above our launch gate.
- When does demand for mothman onesie peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 15.6× the quietest.
- What does it cost to enter the mothman onesie niche?
- Listings span $19.74–$43.05; the average listing price is $33.60 (sweet spot $15–$100). The average incumbent carries 210 reviews — the moat a new listing must climb.