Onesies for Men
FailDemand is soft, at -56.8% this quarter, so Onesies for Men is a Fail.
- Flapen Score
- 48 / 100Ranks 1,186 of 2,461 Fashion niches · on the category median48
- Market size
- £23K/yr437K searches / yr
- 90-day growth
- -56.8%search demand this quarter
- Competition
- 19%top-5 click share · 49 brands · 56 sellers
Flapen Score
Onesies for Men against its category
The dotted line is the Fashion average. Past it, Onesies for Men is stronger. Inside it, weaker.
Market
The Onesies for Men market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Onesies for Men 437K times last year and spent an estimated £23K. The top 5 brands take 41% of clicks. Demand peaks in Oct–Nov–Dec. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 0.3% of those searches ended in a purchase.
Shoppers searched for this 437K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved -56.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £23K a year.
- Searches, last 12 months
- 437K
- Growth, 90 days vs prior 90
- -56.8%
- Conversion, latest week
- 0.3%
- Market size, estimated
- £23Ka year
- Peak month
- December19.0× the quietest month
- Top search term
- onesies for men107K searches a year
02 · Price
A sale here is worth £18.69.
Listings sell for £18.69 on average, from £7.39 to £31.75. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At £18.69 that is £0 to £2K a year per listing.
- Average price
- £18.69inside the $15 to $100 sweet spot
- Price range
- £7.39–£31.75
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£2K
- Returns
- 3.4%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 64% ship with Prime. On an average day, 18.5% of listings are out of stock. The average listing ranks #1,715 within Nightwear. It carries 831 reviews at 4.22 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 64%
- Out of stock, average day
- 18.5%
- Average rank
- #1,715in Nightwear
- Average rating
- 4.22 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 831per listing
- Listings tracked
- 118
04 · Newcomers
0 of last year's 26 launches cleared the first-year sales bar.
26 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 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 26
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Onesies for Men 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Mens OneZee Snuggle Fleece Onesie 31B1480 Black L-XL
- Price
- £20.36
- Rating
- 4.4/5
- Reviews
- 1,137
- Age
- 5y ago

INSIGNIA Mens Fleece Hooded Onesie pyjamas Loungewear With Double Zip (UK Alpha M L Regular Regular Charcoal Smooth Fleece)
- Price
- £16.40
- Rating
- 4.4/5
- Reviews
- 80
- Age
- 1y ago

kraftd Onesies for Men Fleece Pyjamas Men All in One Jumpsuit Loungewear Nightwear Hooded Onesie Black/Grey
- Price
- £20.45
- Rating
- 4.6/5
- Reviews
- 90
- Age
- 1y ago

Star Wars Onesie | Chewbacca Onesie for Men | Fleece Mens Onesies | Fluffy Pyjamas for Adults Brown Size X-Large
- Price
- £28.72
- Rating
- 4.7/5
- Reviews
- 2,278
- Age
- 6y ago

South Park Onesie for Men Fleece Hooded Jumpsuit Cosy Loungewear Teems Warm Pyjamas Cartman Kenny Funny Gifts for Him (M Multi)
- Price
- £18.44
- Rating
- 4.7/5
- Reviews
- 133
- Age
- 2y ago
Trending
estimated 90-day click momentum
Formemory Silly Wearable Onesie for Adult Pajamas Funny Onesies Soft Pajamas for Movie Nights Family Fun Cozy Relaxing (UK Alpha L Regular Regular Purple)
- Price
- £11.57
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 2mo ago

Joyesplay Silly Wearable Onesie for Adults Womens Funny Hooded Onesie Goofy Plush Pajamas for Cozy Nights Relaxation Family Fun (UK Alpha L Regular Regular Purple)
- Price
- £12.38
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

Formemory Silly Wearable Onesie for Adult Pajamas Funny Onesies Soft Pajamas for Movie Nights Family Fun Cozy Relaxing (UK Alpha L Regular Regular Green)
- Price
- £11.51
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 2mo ago

FERRUCCI COMFORT Mens Alzheimers Pajamas Short Sleeves Overall Onesie Jumpsuit with Zipper at Back - 9078 MC PC - Incontinence for Seniors and Dementia 100% Cotton Blue
- Price
- £28.48
- Rating
- 4.6/5
- Reviews
- 227
- Age
- 4y ago

FERRUCCI COMFORT Mens Alzheimers Pajamas Short Sleeves Overall Onesie Jumpsuit with Zipper at Back - 9078 MC PC - Incontinence for Seniors and Dementia 100% Cotton Blue
- Price
- £31.52
- Rating
- 4.6/5
- Reviews
- 227
- Age
- 4y ago
Newest
by launch date
Formemory Silly Wearable Onesie for Adult Pajamas Funny Onesies Soft Pajamas for Movie Nights Family Fun Cozy Relaxing (UK Alpha L Regular Regular Purple)
- Price
- £11.57
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 2mo ago

Formemory Silly Wearable Onesie for Adult Pajamas Funny Onesies Soft Pajamas for Movie Nights Family Fun Cozy Relaxing (UK Alpha L Regular Regular Green)
- Price
- £11.51
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 2mo ago

Joyesplay Silly Wearable Onesie for Adults Womens Funny Hooded Onesie Goofy Plush Pajamas for Cozy Nights Relaxation Family Fun (UK Alpha L Regular Regular Purple)
- Price
- £12.38
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

YLLSOPHAN Adult Men Women Animal Pattern Hooded Pyjamas Sleeping Wear Onesie Soft Flannel Extra Thickness Loose Fit Halloween Party Costume (UK Alpha XXL Regular Regular Cow-Loose Fit)
- Price
- £16.14
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 9mo ago

Mens Plain jumpsuit Adult Warm Hooded Fleece All-in-One Zip 1Onesie Mens Nightwear Loungewear Snuggle One Piece Pyjamas Long Sleeves Stitch Onesie Adult (UK Alpha XL Regular Regular Black)
- Price
- £14.08
- Rating
- 4.0/5
- Reviews
- 24
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 19% of clicks, no more. An open shelf where new products get seen.
Brands
49 falling
Sellers
56
Est. top-5 brand share
41%
Top 20: 81%
Est. top-5 click share
19%
Top 20: 46%
Open market
56%
- CityComfort15%
- Undercover7%
- kraftd7%
- INSIGNIA6%
- shelikes5%
- LABEL APPAREL3%
Demand
Onesies for Men search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 19.0×
Search terms
Top Onesies for Men search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- onesies for men107K/yr
- mens onesies for adults99K/yr
- mens onesie80K/yr
- mens onesies51K/yr
- animal onesies11K/yr
- adult onesies for men15K/yr
- onesie men22K/yr
- kigurumi7K/yr
- onesie for men11K/yr
- men onesies for adults6K/yr
Reviews and returns
What reviews say buyers love and hate about Onesies for Men
We read the reviews and the return reasons for every product selling here.
“Terrible fit”
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.
22 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 Onesies for Men 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









