Onesie
FailDemand is soft, at -80.5% this quarter, so Onesie is a Fail.
- Flapen Score
- 44 / 100Ranks 1,512 of 2,560 Fashion niches · −2 vs the category median of 4644
- Market size
- €16K/yr562K searches / yr
- 90-day growth
- -80.5%search demand this quarter
- Competition
- 25%top-5 click share · 44 brands · 57 sellers
Flapen Score
Onesie against its category
The dotted line is the Fashion average. Past it, Onesie is stronger. Inside it, weaker.
Market
The Onesie market on Amazon at a glance
Shoppers on Amazon Germany searched for Onesie 562K times last year and spent an estimated €16K. The top 5 brands take 45% of clicks. Demand peaks in Jan–Feb–Oct–Nov–Dec. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 0.1% of those searches ended in a purchase.
Shoppers searched for this 562K times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 0.1% of those searches ended in a purchase. Searches in the last 90 days moved -80.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated €16K a year.
- Searches, last 12 months
- 562K
- Growth, 90 days vs prior 90
- -80.5%
- Conversion, latest week
- 0.1%
- Market size, estimated
- €16Ka year
- Peak month
- February10.5× the quietest month
- Top search term
- onesie120K searches a year
02 · Price
A sale here is worth €26.27.
Listings sell for €26.27 on average, from €8.38 to €112.98. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At €26.27 that is €0 to €3K a year per listing.
- Average price
- €26.27inside the $15 to $100 sweet spot
- Price range
- €8.38–€112.98
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- €0–€3K
- Returns
- 9.1%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is low.
89% of listings pay for placement with sponsored ads. 80% ship with Prime. On an average day, 12.1% of listings are out of stock. The average listing ranks #433 within Dessous, Nacht- & Lounge-Wäsche. It carries 887 reviews at 4.21 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 80%
- Out of stock, average day
- 12.1%
- Average rank
- #433in Dessous, Nacht- & Lounge-Wäsche
- Average rating
- 4.21 starsAmazon Germany average 4.37 stars
- Average reviews
- 887per listing
- Listings tracked
- 87
04 · Newcomers
0 of last year's 29 launches cleared the first-year sales bar.
29 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 38 months on average, so the names here are settling in.
- Launched, last 12 months
- 29
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 38 months
Products
Top Onesie products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Generisch Goofy Onesie Silly Onesie Fleece Pajamas Herren Daman Cozy Full Body Sleepwear Monster-Onesies FüR Erwachsene Big Mouth Monster Onesies Pajamas - Plush Coral Fleece for Women
- Price
- €24.87
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 3mo ago

Generisch Silly Onesie Fleece Pajamas for Adults Cute Cozy Full Body Sleepwear Funny Animal Costume Loose Warm Soft Loungewear with Hood and Pockets
- Price
- €27.20
- Rating
- 3.9/5
- Reviews
- 5
- Age
- 3mo ago

QUSLLIS Hai Kostüm Hai Decke Marshmallow Decke mit Kapuze Weicher Flanell Onesie Schlafsack Tragbare Decke für Erwachsene Kinder - XL
- Price
- €25.71
- Rating
- 4.2/5
- Reviews
- 658
- Age
- 2y ago

CityComfort Onesie Damen Jumpsuit Damen Kuschelig Einteiler Schlafanzug Damen Pyjama Overall Damen S-XL (M Zwei Ton Grau)
- Price
- €22.38
- Rating
- 4.3/5
- Reviews
- 5,504
- Age
- 4y ago

Basisstoff 26L3 Jumpi Damen Jumpsuit Overall Onesie Einteiler Dunkelgrau Gr. S
- Price
- €37.49
- Rating
- 4.1/5
- Reviews
- 256
- Age
- 4y ago
Trending
estimated 90-day click momentum
Generisch Goofy Onesie Silly Onesie Fleece Pajamas Herren Daman Cozy Full Body Sleepwear Monster-Onesies FüR Erwachsene Big Mouth Monster Onesies Pajamas - Plush Coral Fleece for Women
- Price
- €24.83
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 3mo ago

MRLTOP Erwachsene Lustiger Grüner Monster Einteiler Mit Kapuze Flauschfleece Overall Schlafanzug Unisex Warm
- Price
- €33.32
- Rating
- 3.1/5
- Reviews
- 6
- Age
- 3mo ago

Generisch Goofy Onesie Silly Onesie Fleece Pajamas Herren Daman Cozy Full Body Sleepwear Monster-Onesies FüR Erwachsene Big Mouth Monster Onesies Pajamas - Plush Coral Fleece for Women
- Price
- €24.87
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 3mo ago

AQAZX Onesie lustiger Fleece Schlafanzug für Größe S/M/L/XL kuschelig weicher Plüsch-Einteiler mit Kapuze & Taschen warme gemütliche Loungewear für Zuhause ultraweich
- Price
- €30.25
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3w ago

Generisch Silly Onesie Fleece Pajamas for Adults Cute Cozy Full Body Sleepwear Funny Animal Costume Loose Warm Soft Loungewear with Hood and Pockets
- Price
- €27.20
- Rating
- 3.9/5
- Reviews
- 5
- Age
- 3mo ago
Newest
by launch date
AQAZX Onesie lustiger Fleece Schlafanzug für Größe S/M/L/XL kuschelig weicher Plüsch-Einteiler mit Kapuze & Taschen warme gemütliche Loungewear für Zuhause ultraweich
- Price
- €30.25
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3w ago

MRLTOP Erwachsene Lustiger Grüner Monster Einteiler Mit Kapuze Flauschfleece Overall Schlafanzug Unisex Warm
- Price
- €33.32
- Rating
- 3.1/5
- Reviews
- 6
- Age
- 3mo ago

Generisch Goofy Onesie Silly Onesie Fleece Pajamas Herren Daman Cozy Full Body Sleepwear Monster-Onesies FüR Erwachsene Big Mouth Monster Onesies Pajamas - Plush Coral Fleece for Women
- Price
- €24.87
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 3mo ago

Generisch Goofy Onesie Silly Onesie Fleece Pajamas Herren Daman Cozy Full Body Sleepwear Monster-Onesies FüR Erwachsene Big Mouth Monster Onesies Pajamas - Plush Coral Fleece for Women
- Price
- €24.83
- Rating
- 3.0/5
- Reviews
- 5
- Age
- 3mo ago

Generisch Silly Onesie Fleece Pajamas for Adults Cute Cozy Full Body Sleepwear Funny Animal Costume Loose Warm Soft Loungewear with Hood and Pockets
- Price
- €27.20
- Rating
- 3.9/5
- Reviews
- 5
- Age
- 3mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 25% of clicks, no more. An open shelf where new products get seen.
Brands
44 falling
Sellers
57
Est. top-5 brand share
45%
Top 20: 82%
Est. top-5 click share
25%
Top 20: 53%
Open market
50%
- Generisch20%
- CityComfort9%
- Basisstoff6%
- Ezuwail6%
- QUSLLIS5%
- chuangminghangqi5%
Demand
Onesie search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 10.5×
Search terms
Top Onesie search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- onesie120K/yr
- onesie damen113K/yr
- kigurumi19K/yr
- onesie erwachsene17K/yr
- schlafoverall damen22K/yr
- kuschelanzug damen43K/yr
- kuschelanzug16K/yr
- einteiler schlafanzug damen12K/yr
- schlafanzug einteiler damen11K/yr
- jumpsuit damen kuschelig56K/yr
Reviews and returns
What reviews say buyers love and hate about Onesie
We read the reviews and the return reasons for every product selling here.
“Die Passgenauigkeit stimmt nicht”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Onesie questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









