---
title: "Fleece Sleep Sack 6-12 Months — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/fleece-sleep-sack-6-12-months"
last_updated: "2026-08-12T14:54:43.809Z"
locale: en
meta:
description: "Amazon product research for fleece sleep sack 6-12 months: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for fleece sleep sack 6-12 months: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Fleece Sleep Sack 6-12 Months — Amazon US Product Research"
---
# **Fleece Sleep Sack 6-12 Months**
**Skip it**
Soft demand (-46.7% this quarter) — this niche doesn't clear our bar today.
Market size 17Growth 2Conversion 14Competition 85Returns 24Price range 87Avg price 95Brand share 64Review moat 34Quality gap 21
**Avg price**
**Incredible****$27.67**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.03–$75.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,107.03**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$67K**
$67K/yr · 211K searches
**Conversion**
**Bad****1.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-46.7%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is fleece sleep sack 6-12 months profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, fleece sleep sack 6-12 months is a $67K/yr Amazon United States market (211K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 39/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fleece sleep sack 6-12 months market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$83K–$111K**
- units × avg price
- **Conversion rate**
- **1.1%**
- **Avg BSR**
- **#704**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **20.4%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **134 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**23 **▲rising
**Sellers**
**34**
**Top-5 brand share**
**66%**
Top 20: 98%
**Top-5 click share**
**30%**
Top 20: 64%
**Open market**
**28%**
- HALO20% - PHF13% - Yoofoss13% - Hudson Baby12% - david's kids8% - Unnivoll6%
## **fleece sleep sack 6-12 months demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -46.7% search growth over the last 90 days.
13K8KSpike '24Black Friday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 5.8×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/fleece-sleep-sack-6-12-months/trend)
## **Top fleece sleep sack 6-12 months search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **fleece sleep sacks**63K/yr-49.9%0.8% conv. - **fleece sleep sack**36K/yr-1.9%0.5% conv. - **warm sleep sack 6-12 months**16K/yr-51.5%0.9% conv. - **fleece sleep sack 6-12 months**17K/yr-66.5%1.7% conv. - **sleep sack fleece**9K/yr-55.0%0.7% conv. - **fuzzy sleep sack**5K/yr-28.2%0.2% conv. - **fleece baby sleep sack**9K/yr-49.3%0.9% conv. - **winter sleep sack 12-18 months**12K/yr-52.6%0.2% conv. - **warm sleep sack 3-6 months**6K/yr-58.1%0.4% conv. - **baby fleece sleep sack**5K/yr-56.4%1.6% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/fleece-sleep-sack-6-12-months/search-terms)
## **Top fleece sleep sack 6-12 months 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.
0%3%$2K6%$4K9%$6K12%$8K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**PHF**$23.51**4.6★330 rev](https://www.amazon.com/dp/B0CHVW545H) [2**Hudson Baby Unisex Baby Plush Sleeping Bag Sack Blanket Gray Clouds 12-18 Months**Hudson Baby**$15.34**4.6★916 rev](https://www.amazon.com/dp/B08NMZ4XL2) [3**HALO Micro-Fleece Sleepsack Swaddle 3-Way Adjustable Swaddle Blanket for Newborn and Infants TOG 3.0 for Cold Climates Hip Healthy Cream Newborn 0-3 Months**HALO**$33.44**4.8★17,301 rev](https://www.amazon.com/dp/B000BTNLBK) [4**davids kids 3 Pack Warm Micro Fleece Baby Sleep Sack 6-12 Months Soft Baby Wearable Blankets with 2-Way Zipper Comfy Winter Sleeping Bags for Infant Newborn Boys Girls Medium Size Dinosaur**david's kids**$20.36**4.6★324 rev](https://www.amazon.com/dp/B0D25P8YLX) [5**HALO Sleepsack Micro-Fleece Wearable Blanket TOG 1.0 Soft Pink Medium**HALO**$33.77**4.8★14,013 rev](https://www.amazon.com/dp/B000069EXO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Carters Unisex Baby Sleep Bag Zip-Up Sack Long Sleeve Soft Cozy Infant Wearable Blanket (Pink Bunny 0-3 Months)**Carter's**$20.05**308 rev11mo ago](https://www.amazon.com/dp/B0FHM2DQVH) [**Unnivoll Fleece Baby Sleep Sack 6-12 Months Long Sleeve 2.0 Tog Baby Wearable Blanket with 2-Way Zipper Warm Sleeping Sack for Toddler Infant Newborn - Medium Grey White Dinosaur**Unnivoll**$24.70**284 rev1y ago](https://www.amazon.com/dp/B0FCXSBM56) [**Yoofoss Baby Sleep Sack 6-12 Months 1.5 Tog Sleep Sack Fleece Baby Wearable Blanket with 2-Way Zipper Infant Sleeping Sack Soft Warm Lightweight(Small)**Yoofoss**$22.73**205 rev1y ago](https://www.amazon.com/dp/B0FCFB3PD8) [**Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm**Yoofoss**$26.58**334 rev1y ago](https://www.amazon.com/dp/B0FCFKJXQP) [**BSTOPPT Fleece Newborn Sleep Sack Baby Swaddle 3-Way Adjustable Wearable Blanket 2 Pack Fleece Swaddling sleeping bag TOG 2.0 (Gray & Pink 6-12 Months)**BSTOPPT**$25.98**1,828 rev1y ago](https://www.amazon.com/dp/B0DHY42D1D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Yoofoss Baby Sleep Sack 12-18 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm**Yoofoss**$26.58**4.4★**▲ 205%**](https://www.amazon.com/dp/B0FCFKJXQP) [**2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 6-12 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear M)**KeaBabies**$25.44**4.7★**▲ 203%**](https://www.amazon.com/dp/B0CQT7WSR5) [**BSTOPPT Fleece Newborn Sleep Sack Baby Swaddle 3-Way Adjustable Wearable Blanket 2 Pack Fleece Swaddling sleeping bag TOG 2.0 (Gray & Pink 6-12 Months)**BSTOPPT**$25.98**4.4★**▲ 194%**](https://www.amazon.com/dp/B0DHY42D1D) [**kaiya baby Unisex Sleeping Bag for Babies and Toddlers 1.0 Tog Sleep Sack 6-18 Months Baby Sleep Sack Newborn Sleep Sack Wearable Blanket Baby One Piece with Sleeves Gifts for Baby Pink Sky**kaiya baby**$50.74**4.6★**▲ 153%**](https://www.amazon.com/dp/B0D62GV758) [**Gerber Baby Unisex Fleece Wearable Blanket Pink Floral 0-6 Months**Gerber**$14.30**4.7★**▲ 116%**](https://www.amazon.com/dp/B0CQMT9ZLG)
**~~View all trending →~~**
## **What reviews say buyers love and hate about fleece sleep sack 6-12 months**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Soft Feel**23%
*“It's very soft”*
**Sleep Quality**13%
*“He sleeps great with it”*
**Quality-Overall**11%
*“Amazing quality”*
**Comfort-Overall**6%
*“Amazingly soft and comfortable”*
**Size-Overall**5%
*“The sizing is accurate”*
**Value For Money**5%
*“Great value”*
**Warmth**5%
*“Cozy and warm sleepsack”*
**Washability**2%
*“They hold up great in the wash”*
**Durability**2%
*“They are very durable”*
**Advertised Vs Actual Product**2%
*“Accurate description”*
### **What buyers complain about **
**Size-Overall**20%
*“Runs big”*
**Zipper Quality**8%
*“Cheap zipper”*
**Thickness**6%
*“This is a lot thicker than the Kyte baby version”*
**Material Quality**3%
*“cheap materials”*
**Quality-Overall**3%
*“Questionable tog rating”*
**Durability**3%
*“broken after 2 months”*
**Stitch/Finish/Polish**2%
*“Durability: The fabric and stitching did not give a strong, long lasting impression”*
**Pilling/Linting**2%
*“Very disappointed, after few washes there was so much of lint balls”*
**Value For Money**2%
*“Ill be looking at the more expensive options in hopes for a better product”*
**Ease Of Cleaning**2%
*“Dirty”*
### **Top return reasons **
**Size-Overall**50%
**Material Quality**9%
**Warmth**6%
**Thickness**3%
**Product Condition**3%
**Advertised Vs Actual Product**3%
**Zipper Quality**2%
**Weight Heavy**2%
**Length**2%
**Age Suitability**2%
## **Common fleece sleep sack 6-12 months questions**
- **Is fleece sleep sack 6-12 months profitable to sell on Amazon United States?**
- The niche generates $67K/yr across 66 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -46.7%. Flapen's verdict: Skip it (39/100).
- **How competitive is the fleece sleep sack 6-12 months niche?**
- 23 brands and 34 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 66% of demand.
- **What do buyers complain about in fleece sleep sack 6-12 months?**
- Top complaints mined from reviews: Size-Overall, Zipper Quality, Thickness. The return rate is 5.1% — above our launch gate.
- **When does demand for fleece sleep sack 6-12 months peak?**
- Demand peaks in Oct–Nov–Dec; the busiest month runs 5.8× the quietest.
- **What does it cost to enter the fleece sleep sack 6-12 months niche?**
- Listings span $8.03–$75.79; the average listing price is $27.67 (sweet spot $15–$100). The average incumbent carries 3,107 reviews — the moat a new listing must climb.
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