Fleece Sleep Sack 18-24 Months
Skip itSoft demand (-64.1% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$25.68avg listing price — sweet spot $15–$100
Competition
Great30%top-5 click share — an open shelf
Price range
Great$8.11–$44.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good64%top-5 brand share — brands hold most of the demand
Review moat
Okay1,885.16avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Returns
Bad5.5%return rate — above 5% kills the launch gate
Market size
Bad$19K$19K/yr · 34K searches
Growth
Bad-64.1%90-day search growth — must beat 0% to launch
Is fleece sleep sack 18-24 months profitable on Amazon?
According to Flapen's Amazon United States niche tracking, fleece sleep sack 18-24 months is a $19K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 39/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
fleece sleep sack 18-24 months market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $26K–$32K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #806
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 28.9%
- Avg brand age
- 40 months
- Avg seller age
- 214 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.Brands
15 rising
Sellers
21
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
30%
Top 20: 77%
Open market
29%
- PHF16%
- BubblePanda15%
- Yoofoss15%
- Okayinn10%
- Unnivoll9%
- Hudson Baby7%
fleece sleep sack 18-24 months demand & seasonality
Weekly Amazon search volume, last 104 weeks — -64.1% search growth over the last 90 days.Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 23.4×
Top fleece sleep sack 18-24 months search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- winter sleep sack 18-24 months8K/yr
- fleece sleep sack 18-24 months10K/yr
- sleep sack 18-24 months winter7K/yr
- warm sleep sack 18-24 months5K/yr
- fleece sleep sack 2t4K/yr
Top fleece sleep sack 18-24 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
PHF 3 Pack Warm Micro-Fleece Baby Sleep Sack 18-24 Months Soft Baby Wearable Blanket 2-Way Zipper Sleeping Bags Comfy Toddler Sleeping Sack for Girls X-Large Size Floral
PHF$20.564.6★330 rev

Rayon Made from Bamboo Sleep Sack 18-24 Months 2.5 Tog Winter Warm Ultra Soft Baby Wearable Blanket 2t Toddler Sleep Sack for Babies Unisex Girl Boy 2-Way Zipper Quilted Thick Baby Sleeping Bag
BubblePanda$34.154.6★531 rev

BubblePanda Rayon Made from Bamboo Sleep Sack 2t-3t 1.0 Tog Soft Toddler Sleeping Sack 24-36 Months for Babies 2-Way Zipper Baby Wearable Blanket
Okayinn$26.164.6★1,884 rev

davids kids 3 Pack Warm Micro Fleece Baby Sleep Sack 18-24 Months Soft Baby Wearable Blankets with 2-Way Zipper Comfy Winter Sleeping Bags for Toddler Boys Girls Neutral X-Large Size Space
david's kids$25.074.6★324 rev

PHF Warm Micro-Fleece Baby Sleep Sack 18-24 Months Soft Baby Wearable Blanket 2-Way Zipper Sleeping Bags 2 Pack Comfy Toddler Sleeping Sack for Girls X-Large Size Floral
PHF$18.334.7★634 rev
Newest
by launch date
Hudson Baby Infant Boys Long-Sleeve Fleece Sleeping Bag Camo 18-24 Months
Hudson Baby$8.1163 rev

Unnivoll Baby Sleep Sack 18-24 Months Long Sleeve 1.0 Tog Micro Fleece Baby Wearable Blanket Microfleece Sleeping Sack with 2-Way Zipper for Toddler Infant Yellow & White Elephant
Unnivoll$21.6680 rev

Unnivoll Fleece Baby Sleep Sack 18-24 Months Long Sleeve 2.0 Tog Baby Wearable Blanket with 2-Way Zipper Warm Sleeping Sack for Toddler Infant - XLarge Grey White Dinosaur
Unnivoll$26.68284 rev

Unnivoll Fleece Baby Sleep Sack 18-24 Months 2.0 Tog Baby Wearable Blanket with 2-Way Zipper Warm Sleeping Sack for Toddler Infant - XLarge Blue Grey Pentagram
Unnivoll$21.75138 rev

Yoofoss Baby Sleep Sack 18-24 Months Long Sleeve Sleep Sack 1.5 Tog Fleece Baby Wearable Blanket with 2-Way Zipper Soft Warm
Yoofoss$26.53334 rev
Trending
90-day click momentum
2-Pack Baby Sleep Sacks Zipper Wearable Blanket - 100% Organic Cotton 0.5TOG Soft Lightweight Toddler Sleeping Sack 12-24 months Easy to Wear Newborn Swaddles Sleepsack (BumbleBear L)
KeaBabies$26.694.7★

2-Pack Organic Baby Sleep Sacks 100% Cotton - Soft & Breathable 0.5TOG Baby Wearable Blanket Toddler Sleeping Sack 6-18 Months Easy to Wear Swaddles for Newborns Infants (Butterflies M)
KeaBabies$25.394.6★

BubblePanda Rayon Made from Bamboo Sleep Sack 2t-3t 1.0 Tog Soft Toddler Sleeping Sack 24-36 Months for Babies 2-Way Zipper Baby Wearable Blanket
Okayinn$26.164.6★

HALO SleepSack 100% Cotton Wearable Blanket Swaddle Transition Sleeping Bag TOG 0.5 Sage Woodland X-Large 18-24 Months
HALO$34.614.8★

Yoofoss Rayon Made from Bamboo Baby Sleep Sack 18-24 Months 1.0 Tog Baby Wearable Blanket Super Soft Infant Toddler Sleeping Sack 2-Way Zipper
Yoofoss$21.884.7★
What reviews say buyers love and hate about fleece sleep sack 18-24 months
What buyers praise and complain about, mined from review topics.What buyers love
“Crazy soft”
“very comfortable”
“It feels so high quality while not breaking the bank”
“My son loves this sleepsack”
“Sizing is accurate”
“True color and easy wash”
“is lightweight so we can practice blankets”
“The zipper is sturdy and well positioned”
“Exactly what I needed”
“Fabric quality = 100/10”
What buyers complain about
“Too short”
“Didn't like the feel of the material, returned”
“No two way zipper”
“was hesitant given the price point”
“long drying times”
“Its thick”
“I dont feel comfortable having my baby sleep in it”
“the colored combo didn't come with it”
“I was definitely sent a used product”
“To hot for comfort”
Top return reasons
Common fleece sleep sack 18-24 months questions
- Is fleece sleep sack 18-24 months profitable to sell on Amazon United States?
- The niche generates $19K/yr across 38 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -64.1%. Flapen's verdict: Skip it (39/100).
- How competitive is the fleece sleep sack 18-24 months niche?
- 15 brands and 21 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in fleece sleep sack 18-24 months?
- Top complaints mined from reviews: Size-Overall, Material Quality, Zipper Quality. The return rate is 5.5% — above our launch gate.
- When does demand for fleece sleep sack 18-24 months peak?
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 23.4× the quietest.
- What does it cost to enter the fleece sleep sack 18-24 months niche?
- Listings span $8.11–$44.11; the average listing price is $25.68 (sweet spot $15–$100). The average incumbent carries 1,885 reviews — the moat a new listing must climb.