Sleep Sack Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Sleep Sack sales on Amazon US totaled 49,400 units in July 2026 (▼ 5.0% vs. the prior month), generating an estimated $1,485,311 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 46.6% of unit volume and 48.0% of revenue, while a typical listing is priced at $30.92. The keyword itself pulled 227,788 Amazon queries over the same period (▼ 31.3% MoM).
Zooming out to the 12-month window ending July 2026, the sleep sack Top 50 moved 525,250 units and $16,066,073 in cumulative sales — an average of 43,771 units and $1,338,839 per month. Monthly throughput topped out at 52,000 units in June 2026 and dipped to 22,600 in May 2026, leaving the latest reading 17.3% higher than August 2025.
Sleep Sack Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
49.4K
▼ 5.0% MoM
Monthly Revenue 2026/07
$1.5M
▼ 1.3% MoM
Top 10 Market Share 2026/07
46.6%
Sleep Sack Market Share & Sales Concentration on Amazon US — July 2026
The most-sold sleep sack listing on Amazon US in July 2026 is ASIN B0081GJ038 (Brand: Love to Dream), which sold 4,000 units at $34.95 apiece — equal to 8.1% of every unit tracked in this report and 33% ahead of the No. 2 listing.
The Top 10 ASINs account for 23,000 units and $713,640 in July 2026 — 46.6% of unit volume and 48.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Sleep Sack' on Amazon
July 2026
Is 46.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0081GJ038
Love to Dream Swaddle Up, Baby Sleep Sack | 1.0 TOG, 8-13 lbs, Gray | Arms Up Swaddle Helps Baby Self-Soothe and Sleep Longer, Secure Fit Helps Calm Startle Reflex, Newborn Essentials 68–75F
4K
vs. prior month
$139.8K
latest month
12-month trend
B0FYQ5HFBB
Momcozy Swaddles for Newborns, Quiet Fastener Swaddle for Infant 0-3 Months | New-Parent-Friendly Sleep Sack, Reduce Startle Reflex, Newborn Boys Girls Registry Essentials, 2-Pack, Bloom
3K
▼ 25.0%vs. prior month
$114.5K
latest month
12-month trend
B08MDYFTS1
KeaBabies 3-Pack Organic Baby Swaddles for Newborns, Infant (Nordic, 0-3M) | Baby Girls, Boys, Soft Organic Cotton, Newborn Swaddle Sleep Sack, Nursery Swaddling Blankets
3K
▲ 50.0%vs. prior month
$68.1K
latest month
12-month trend
B0BJ6P4V7P
PRIMLECT Toddler Nap Mat with Pillow, Thickened Extra Large Sleeping Bag | 55''x35'' Sleeping Mat with Blanket, Washable, Roll up, Perfect for Daycare, Preschool, Kindergarten, Boys, Dinosaur
2K
▲ 100.0%vs. prior month
$74.3K
latest month
12-month trend
B001D7E0YQ
HALO 100% Cotton Sleepsack Swaddle, 3-Way Adjustable Wearable Blanket, TOG 1.5, Baby Blue, Newborn, 0-3 Months
2K
▲ 0.0%vs. prior month
$69.9K
latest month
12-month trend
B0081GIZ52
Love to Dream Swaddle Up 2-in-1 Transition Bag | 1.0 TOG, 13-19 lbs, Gray | Sleep Sack with Patented Zip-Off Wings for Arms-Free Transition | Snug Fit & Easy Diaper Changes | Moderate Temps 68-75 F
2K
▲ 0.0%vs. prior month
$85.9K
latest month
12-month trend
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Best Sleep Sack Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Love to Dream is the best-performing sleep sack brand in July 2026, moving 7,000 units across 3 ASINs for 30.4% of Top 10 volume. Momcozy follows with 3,000 units (13.0%), ahead of KeaBabies on 3,000 units (13.0%).
Volume is spread across 8 brands, with the top three holding 56.5% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $19.97 to $37.62, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Love to Dream
3 ASINs in Top 10
30.4%
Units
7K
Revenue
$260.6K
Avg. price
$37.62
B0081GJ038
$34.95·★4.6·29.9K revsLove to Dream Swaddle Up, Baby Sleep Sack | 1.0 TOG, 8-13 lbs, Gray | Arms Up Swaddle Helps Baby Self-Soothe and Sleep Longer, Secure Fit Helps Calm Startle Reflex, Newborn Essentials 68–75F
Units sold4KB0081GIZ52
$42.95·★4.7·10.6K revsLove to Dream Swaddle Up 2-in-1 Transition Bag | 1.0 TOG, 13-19 lbs, Gray | Sleep Sack with Patented Zip-Off Wings for Arms-Free Transition | Snug Fit & Easy Diaper Changes | Moderate Temps 68-75 F
Units sold2KB0F8P9GBZN
$34.95·★4.6·29.9K revsLove to Dream Swaddle Up, Baby Sleep Sack | 1.0 TOG, 8-13 lbs, Oatmeal | Arms Up Swaddle Helps Baby Self-Soothe and Sleep Longer, Secure Fit Helps Calm Startle Reflex, Newborn Essentials 68–75F
Units sold1K
Momcozy
1 ASIN in Top 10
13.0%
Units
3K
Revenue
$114.5K
Avg. price
$31.99
B0FYQ5HFBB
$31.99·★4.2·756 revsMomcozy Swaddles for Newborns, Quiet Fastener Swaddle for Infant 0-3 Months | New-Parent-Friendly Sleep Sack, Reduce Startle Reflex, Newborn Boys Girls Registry Essentials, 2-Pack, Bloom
Units sold3K
KeaBabies
1 ASIN in Top 10
13.0%
Units
3K
Revenue
$68.1K
Avg. price
$19.97
B08MDYFTS1
$19.97·★4.5·9.3K revsKeaBabies 3-Pack Organic Baby Swaddles for Newborns, Infant (Nordic, 0-3M) | Baby Girls, Boys, Soft Organic Cotton, Newborn Swaddle Sleep Sack, Nursery Swaddling Blankets
Units sold3K
Trending Sleep Sack Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0081GJ038 booked 4K units at $34.95. On the growth side, B0BJ6P4V7P leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B096N1GDBC close behind at ▲ 66.7% MoM on 500 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0081GJ038
Love to Dream Swaddle Up, Baby Sleep Sack | 1.0 TOG, 8-13 lbs, Gray | Arms Up Swaddle Helps Baby Self-Soothe and Sleep Longer, Secure Fit Helps Calm Startle Reflex, Newborn Essentials 68–75F
Price
$34.95
Rating
4.6
Reviews
29.9K
Latest month sales
B0BJ6P4V7P
PRIMLECT Toddler Nap Mat with Pillow, Thickened Extra Large Sleeping Bag | 55''x35'' Sleeping Mat with Blanket, Washable, Roll up, Perfect for Daycare, Preschool, Kindergarten, Boys, Dinosaur
Price
$37.99
Rating
4.6
Reviews
1.8K
Latest month sales
B096N1GDBC
HALO Baby Sleepsack Swaddle Wearable Blanket, 3-Way Adjustable Infant Sleepsack, TOG 1.5, Ideal Temp, Heather Grey/Aqua, Newborn, 0-3 Months, 6-12 Pounds
Unlock to view ASIN details and product titles
Price
$17.99
Rating
4.4
Reviews
1.6K
Latest month sales
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