transitional swaddle sleep sacks

Our transitional swaddle sleep sacks offer the perfect middle solution for babies who've outgrown traditional swaddling but aren't quite ready for a standard sleep bag. These innovative sleep sanctuaries feature an age-appropriate snug torso fit that continues to soothe the Moro reflex while providing a generous bottom that supports the natural frog-leg position babies love.

With our game-changing WONDERZiP® technology making midnight diaper changes truly effortless, these transitional wonders deliver better sleep through thoughtful design.

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Light blue goose-print swaddle sleep sack, zip front, long sleeves, 1.0 TOG
Light blue goose-print sleep sack with zip front and arm openings, 1.0 TOG
Light blue goose-print swaddle sleep sack, zip front, long sleeves, 1.0 TOG Light blue goose-print sleep sack with zip front and arm openings, 1.0 TOG

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Baseball Goose / 1.0 TOG
$68.00
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Floral swaddle sleep sack with long sleeves and plush bunny attached
Floral swaddle sleep sack with long sleeves and pink padded interior, 1.0 TOG
Floral swaddle sleep sack with long sleeves and plush bunny attached Floral swaddle sleep sack with long sleeves and pink padded interior, 1.0 TOG

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Sorbet / 1.0 TOG
$47.61 $68.00
+ more
Light pink dog-print transitional sleep sack with front zipper, long sleeves
Light pink dog-print sleep sack with round neckline and front zipper, long sleeves
Light pink dog-print transitional sleep sack with front zipper, long sleeves Light pink dog-print sleep sack with round neckline and front zipper, long sleeves

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Girl Dog / 1.0 TOG
$68.00
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1.0 TOG transitional swaddle sleep sack, gray with small dash pattern, long sleeves
1.0 TOG transitional swaddle sleep sack, gray with dash pattern, front view with leg pocket
1.0 TOG transitional swaddle sleep sack, gray with small dash pattern, long sleeves 1.0 TOG transitional swaddle sleep sack, gray with dash pattern, front view with leg pocket

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Dash / 1.0 TOG
$47.61 $68.00
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Transitional swaddle sleep sack, light blue with duck print, front zip, 1.0 TOG
Transitional swaddle sleep sack, light blue duck print, front zip opening
Transitional swaddle sleep sack, light blue with duck print, front zip, 1.0 TOG Transitional swaddle sleep sack, light blue duck print, front zip opening

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Friends / 1.0 TOG
$47.61 $68.00
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Tutu Goose swaddle sleep sack, pink with goose print and wrap arms
Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch
Tutu Goose swaddle sleep sack, pink with goose print and wrap arms Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Tutu Goose / 1.0 TOG
$68.00
+ more
Light gray 1.0 TOG transitional swaddle sleep sack with dog print
Light gray 1.0 TOG transitional swaddle sleep sack with dachshund print, zipper opening
Light gray 1.0 TOG transitional swaddle sleep sack with dog print Light gray 1.0 TOG transitional swaddle sleep sack with dachshund print, zipper opening

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Woof / 1.0 TOG
$68.00
+ more

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Transitional swaddle sleep sack, beige with white goose print, full wrap with arm openings
Transitional swaddle sleep sack, beige with white goose print, foldover blanket shape
Transitional swaddle sleep sack, beige with white goose print, full wrap with arm openings Transitional swaddle sleep sack, beige with white goose print, foldover blanket shape

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Goose / 1.0 TOG
$68.00
+ more

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Transitional swaddle sleep sack, 1.0 TOG, blue-gray star print with swaddling cover
Cream floral swaddle sleep sack shown in multiple styles, quilted zip-wrap design
Transitional swaddle sleep sack, 1.0 TOG, blue-gray star print with swaddling cover Cream floral swaddle sleep sack shown in multiple styles, quilted zip-wrap design

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Dream / 1.0 TOG
$68.00
+ more
Save 30%
Cream floral swaddle sleep sack with padded bottom and full-length zip opening
Cream swaddle sleep sack with tiny floral pattern, full-body wrap and zip opening
Cream floral swaddle sleep sack with padded bottom and full-length zip opening Cream swaddle sleep sack with tiny floral pattern, full-body wrap and zip opening

1.0 TOG | 70-73°F

Transitional Swaddle Sleep Sack
•Posie / 1.0 TOG
$47.61 $68.00
+ more
Save 30%
Floral swaddle sleep sack with attached plush bunny comforter, long sleeves
Floral swaddle sleep sack with pink quilted lining and fold-over arm openings
Floral swaddle sleep sack with attached plush bunny comforter, long sleeves Floral swaddle sleep sack with pink quilted lining and fold-over arm openings

0.5 TOG | 74-78°F

Transitional Swaddle Sleep Sack
•Sorbet / 0.5 TOG
$45.51 $65.00
Save 30%
Tutu Goose swaddle sleep sack, pink with goose print and wrap arms
Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch
Tutu Goose swaddle sleep sack, pink with goose print and wrap arms Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch

0.5 TOG | 74-78°F

Transitional Swaddle Sleep Sack
•Tutu Goose / 0.5 TOG
$45.51 $65.00
Save 30%
2.5 TOG transitional swaddle sleep sack, floral print, full wrap with swaddled legs
2.5 TOG transitional swaddle sleep sack, floral print, baby wrapped with arms out
2.5 TOG transitional swaddle sleep sack, floral print, full wrap with swaddled legs 2.5 TOG transitional swaddle sleep sack, floral print, baby wrapped with arms out

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Posie / 2.5 TOG
$50.41 $72.00
Save 30%
Moss green sleep sack with giraffe print and zip front, laid on a rug
Moss green swaddle sleep sack with giraffe print, zip front, long sleeves
Moss green sleep sack with giraffe print and zip front, laid on a rug Moss green swaddle sleep sack with giraffe print, zip front, long sleeves

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Giraffe Moss / 2.5 TOG
$50.41 $72.00

BACK IN STOCK

Beige baby sleep sack with white goose print and draped swaddle wrap
Beige swaddle sleep sack with white goose print on crib mattress
Beige baby sleep sack with white goose print and draped swaddle wrap Beige swaddle sleep sack with white goose print on crib mattress

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Goose / 2.5 TOG
$72.00
Transitional swaddle sleep sack, light gray with dachshund print and long sleeves
Transitional swaddle sleep sack, light gray dachshund print with open swaddle panels
Transitional swaddle sleep sack, light gray with dachshund print and long sleeves Transitional swaddle sleep sack, light gray dachshund print with open swaddle panels

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Woof / 2.5 TOG
$72.00

BACK IN STOCK

2.5 TOG transitional swaddle sleep sack, light blue with small star pattern
Cream floral swaddle sleep sack shown in multiple styles, quilted zip-wrap design
2.5 TOG transitional swaddle sleep sack, light blue with small star pattern Cream floral swaddle sleep sack shown in multiple styles, quilted zip-wrap design

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Dream / 2.5 TOG
$72.00
Sold out
Checkered transitional swaddle sleep sack with gray bottom, baby lying on crib
Checkered transitional swaddle sleep sack with long sleeves and side zipper
Checkered transitional swaddle sleep sack with gray bottom, baby lying on crib Checkered transitional swaddle sleep sack with long sleeves and side zipper

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Checkmate / 2.5 TOG
$50.41 $72.00
+ more
Tutu Goose swaddle sleep sack, pink with goose print and wrap arms
Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch
Tutu Goose swaddle sleep sack, pink with goose print and wrap arms Tutu Goose swaddle sleep sack, pink goose print with front opening and leg pouch

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Tutu Goose / 2.5 TOG
$72.00
+ more

the bridge between swaddle and sleep sack

Thoughtfully engineered with a snug upper fit that provides just the right amount of gentle pressure to calm the startle reflex while keeping arms free for safe sleep. Available in both sleeveless and long-sleeve options to match your home's temperature and baby's preferences, these innovative sleep solutions help your little one make the often challenging transition from fully swaddled to independent sleeping. Our buttery-soft bamboo viscose feels like a gentle hug against delicate skin, while the revolutionary WONDERZiP® system means those inevitable 2am diaper changes happen without fully disturbing your peacefully sleeping baby—keeping them covered and cozy throughout.


why choose the gunamuna transitional swaddle sleep sacks?

  • Smooth Transition Support: The snug torso design provides just enough gentle pressure to help soothe the Moro reflex while keeping arms free for safe sleep—creating the gentle bridge between swaddling and independent sleeping.
  • Perfect Positioning: The extra-wide bottom allows for natural frog-leg position and healthy hip development, combining security with the freedom babies need as they grow and develop.
  • Midnight-Change Magic: Our exclusive WONDERZiP® technology means diaper changes happen without unwrapping or fully exposing your sleeping little one—maintaining that peaceful state even during necessary nighttime changes.
  • Comfort That Adapts: Available in multiple TOG ratings and both sleeveless and long-sleeve options to perfectly match your home's temperature and your baby's unique preferences—versatility that grows with your little one.

frequently asked questions

These are perfect for babies who have outgrown traditional swaddling (typically starting around 2-4 months when rolling begins) but still benefit from some gentle pressure around the torso to help with the startle reflex.

Our transitional swaddle seep sacks feature a snugger fit around the torso specifically designed to help calm the Moro reflex, while regular sleep sacks have a looser, roomier fit throughout. The Transitional design creates the perfect middle step between fully swaddled and completely free sleeping.

Absolutely! Our Transitional Swaddle Sleep Sacks follow AAP safe sleep guidelines with arms-free design that allows for rolling while still providing the gentle pressure many babies need to sleep soundly. The snug fit is specifically engineered for this transitional stage of development.