Winter Sleep Sack
FailDemand is soft, at -48.5% this quarter, so Winter Sleep Sack is a Fail.
- Flapen Score
- 38 / 100Ranks 13,195 of 16,930 Clothing, Shoes & Jewelry niches · −7 vs the category median of 4538
- Market size
- $18K/yr49K searches / yr
- 90-day growth
- -48.5%search demand this quarter
- Competition
- 38%top-5 click share · 19 brands · 23 sellers
Flapen Score
Winter Sleep Sack against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Winter Sleep Sack is stronger. Inside it, weaker.
Market
The Winter Sleep Sack market on Amazon at a glance
Shoppers on Amazon United States searched for Winter Sleep Sack 49K times last year and spent an estimated $18K. The top 5 brands take 62% of clicks. Demand peaks in Jan–Oct–Nov–Dec. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 1.3% of those searches ended in a purchase.
Shoppers searched for this 49K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.3% of those searches ended in a purchase. Searches in the last 90 days moved -48.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $18K a year.
- Searches, last 12 months
- 49K
- Growth, 90 days vs prior 90
- -48.5%
- Conversion, latest week
- 1.3%
- Market size, estimated
- $18Ka year
- Peak month
- October7.2× the quietest month
- Top search term
- warm sleep sack 6-12 months16K searches a year
02 · Price
A sale here is worth $28.04.
Listings sell for $28.04 on average, from $15.34 to $53.93. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $28.04 that is $0 to $3K a year per listing.
- Average price
- $28.04inside the $15 to $100 sweet spot
- Price range
- $15.34–$53.93
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 4.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 17.6% of listings are out of stock. The average listing ranks #695 within Baby Boys. It carries 2,342 reviews at 4.64 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 17.6%
- Average rank
- #695in Baby Boys
- Average rating
- 4.64 starsAmazon United States average 4.42 stars
- Average reviews
- 2,342per listing
- Listings tracked
- 42
04 · Newcomers
4 of last year's 7 launches cleared the first-year sales bar.
7 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.
- Launched, last 12 months
- 7
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 42 months
Products
Top Winter Sleep Sack 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 8, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
BABYINABAG Summer Model Baby Sleeping Bag and Sack Plush Minky Dot 1.25 Tog for Infants and Toddlers (Small (3-11 mos))
- Price
- $22.03
- Rating
- 4.6/5
- Reviews
- 271
- Age
- 15y ago

PHF 3 Pack Warm Micro-Fleece Baby Sleep Sack 6-12 Months Soft Baby Wearable Blanket 2-Way Zipper Sleeping Bags Comfy Toddler Sleeping Sack for Girls Medium Size Floral
- Price
- $23.51
- Rating
- 4.6/5
- Reviews
- 330
- Age
- 2y ago

PurComfy Supersoft Sleep Sack 1.0 TOG Premium Bamboo Viscose Baby Sleeping Bag 2-Way Safe Zipper Sleep Sacks 6-15 Months (Whale)
- Price
- $33.06
- Rating
- 4.6/5
- Reviews
- 2,321
- Age
- 2y ago

BABYINABAG Warm Quilted Winter Model Baby Sleeping Bag and Sack Plush Minky Dot 2.5 Togs for Infants and Toddlers (Medium (10-24 mos))
- Price
- $32.87
- Rating
- 4.8/5
- Reviews
- 2,242
- Age
- 15y ago

BubblePanda Rayon Made from Bamboo Sleep Sack 6-12 Months 1.0 Tog Soft Toddler Sleeping Sack for Babies 2-Way Zipper Baby Wearable Blanket
- Price
- $26.38
- Rating
- 4.6/5
- Reviews
- 1,884
- Age
- 2y ago
Trending
estimated 90-day click momentum
HALO Sleepsack Swaddle 3-Way Adjustable Swaddle Blanket TOG 3.0 Velboa Fawn Grey Plush Dots Small 3-6 Months
- Price
- $34.20
- Rating
- 4.8/5
- Reviews
- 6,521
- Age
- 8mo ago

CUDDLEBAMBOO Bamboo Viscose 1.0 Tog Sleep Sack 6-12-18 Months Soft Breathable Baby Sleeping Bag Wearable Blanket Baby with 2-Way Zipper Sage
- Price
- $28.43
- Rating
- 4.6/5
- Reviews
- 47
- Age
- 9mo ago

BambooSnug Soft Breathable Sleep Sack 6-12-18 Months 1.0 TOG Bamboo Viscose Wearable Blanket Baby Baby Sleeping Bag with 2-Way Zipper Slate
- Price
- $30.28
- Rating
- 4.9/5
- Reviews
- 35
- Age
- 9mo ago

Unnivoll Baby Sleep Sack 6-12 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Newborn Infant Blue
- Price
- $25.30
- Rating
- 4.8/5
- Reviews
- 1,705
- Age
- 2y ago

Yoofoss Baby Sleep Sack 9-12 Months 100% Organic Cotton Long Sleeve Wearable Blanket Baby 2-Way Zipper 0.5 Tog Newborn Sleeping Sack Lightweight
- Price
- $23.85
- Rating
- 4.8/5
- Reviews
- 65
- Age
- 7mo ago
Newest
by launch date
Yoofoss Baby Sleep Sack 9-12 Months 100% Organic Cotton Long Sleeve Wearable Blanket Baby 2-Way Zipper 0.5 Tog Newborn Sleeping Sack Lightweight
- Price
- $23.85
- Rating
- 4.8/5
- Reviews
- 65
- Age
- 7mo ago

HALO Sleepsack Swaddle 3-Way Adjustable Swaddle Blanket TOG 3.0 Velboa Fawn Grey Plush Dots Small 3-6 Months
- Price
- $34.20
- Rating
- 4.8/5
- Reviews
- 6,521
- Age
- 8mo ago

BambooSnug Soft Breathable Sleep Sack 6-12-18 Months 1.0 TOG Bamboo Viscose Wearable Blanket Baby Baby Sleeping Bag with 2-Way Zipper Slate
- Price
- $30.28
- Rating
- 4.9/5
- Reviews
- 35
- Age
- 9mo ago

CUDDLEBAMBOO Bamboo Viscose 1.0 Tog Sleep Sack 6-12-18 Months Soft Breathable Baby Sleeping Bag Wearable Blanket Baby with 2-Way Zipper Sage
- Price
- $28.43
- Rating
- 4.6/5
- Reviews
- 47
- Age
- 9mo ago

Yoofoss Baby Sleep Sack 6-12 Months 1.0 Tog Long Sleeve Sleep Sack Organic Cotton Wearable Blanket for Infants 2-Way Zipper Quilted Sleeping Sacks(Medium)
- Price
- $18.24
- Rating
- 4.7/5
- Reviews
- 455
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 38% of clicks, no more. An open shelf where new products get seen.
Brands
19 falling
Sellers
23
Est. top-5 brand share
62%
Top 20: 100%
Est. top-5 click share
38%
Top 20: 75%
Open market
32%
- Baby in a Bag29%
- Yoofoss11%
- HALO10%
- PHF6%
- BubblePanda6%
- Okayinn5%
Demand
Winter Sleep Sack search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 7.2×
Search terms
Top Winter Sleep Sack search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- warm sleep sack 6-12 months16K/yr
- baby in a bag sleep sack4K/yr
- baby in a bag3K/yr
- warm sleep sack 3-6 months6K/yr
- quilted sleep sack 6-12 months3K/yr
- babyinabag547/yr
- sleep sack 6-12 months winter10K/yr
- winter sleep sack 3-6 months6K/yr
Reviews and returns
What reviews say buyers love and hate about Winter Sleep Sack
We read the reviews and the return reasons for every product selling here.
“Runs big”
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.
21 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 Winter Sleep Sack 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









