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Footie sleep sack with star print, gray bunny hood, and front zip opening Footie sleep sack in dark blue with white star pattern, long sleeves and zipper

1.0 TOG | 70-73°F

Footie Sleep Sack
•Imagine / 1.0 TOG
Sale price$53.22 Regular price$76.00
Baby sleep sack 1.0 TOG in light blue with dachshund print, zip front and sleeves Baby sleep sack, light gray with dog print and name embroidery

1.0 TOG | 70-73°F

Sleep Sack
•Woof / 1.0 TOG
Sale price$55.00
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Blue construction print 1.0 TOG sleep sack with long sleeves and roomy wrap Blue construction print sleep sack, 1.0 TOG, long sleeves with open foot area

1.0 TOG | 70-73°F

Sleep Sack
•Construction / 1.0 TOG
Sale price$38.51 Regular price$55.00
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Long sleeve transitional swaddle sack in teal with allover giraffe print and enclosed foot Long sleeve transitional swaddle sack, light beige with wrap style front and foot opening

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Giraffe Moss / 1.0 TOG
Sale price$75.00
Light blue long-sleeve swaddle sack with dog print, baby lying in oval bassinet Light blue long-sleeve swaddle sack with animal print and 'Isabel' personalization

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Woof / 1.0 TOG
Sale price$75.00
Light blue long-sleeve swaddle sleep sack with dachshund print, zip-up design for baby Light blue long sleeve swaddle sleep sack with dachshund print and front zipper, name Luca

1.0 TOG | 70-73°F

Long Sleeve Swaddle Sleep Sack
•Woof / 1.0 TOG
Sale price$80.00
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Baby sleep sack, light blue dachshund print, 1.0 TOG, full view with closed bottom Light blue swaddle sleep sack with dachshund print and “August” embroidery, 1.0 TOG

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Woof / 1.0 TOG
Sale price$76.00
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Floral sleep sack with maroon base and white flower print, front view Floral sleep sack with maroon and white flower pattern, zip front and long sleeves

1.0 TOG | 70-73°F

Sleep Sack
•Blossom / 1.0 TOG
Sale price$38.51 Regular price$55.00
Sold out
Teal long-sleeve swaddle sack with multicolor vehicle print, open bottom Teal long-sleeve swaddle sack with multicolor print, open bottom for baby

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Going / 1.0 TOG
Sale price$52.52 Regular price$75.00
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Long sleeve transitional swaddle sack with floral print, head opening and bow Floral long sleeve swaddle sack with head opening, suited for cozy transitional use

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Bouquet / 1.0 TOG
Sale price$52.52 Regular price$75.00
Baby in blue 2.5 TOG sleep sack with white star print and gray sleeves 2.5 TOG sleep sack, gray-blue with white star print, long sleeves, full zipper

2.5 TOG | 58-70°F

Sleep Sack
•Dream / 2.5 TOG
Sale price$60.00
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Sage green footie sleep sack with long sleeves and enclosed feet Sage green footie sleep sack with full-length zipper and hood

2.5 TOG | 58-70°F

Footie Sleep Sack
•Sage / 2.5 TOG
Sale price$55.32 Regular price$79.00

BACK IN STOCK

Long-sleeve transitional swaddle sack in light beige with white goose print, baby wearing Light gray goose-print long-sleeve swaddle sack with front name patch

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Goose / 1.0 TOG
Sale price$75.00
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Sage green long-sleeve footie sleep sack with full-length front zipper and open feet Sage green footie sleep sack with long sleeves and front zip, featuring foldover cuffs
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TOG:

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Sage / 2.5 TOG
Sale price$59.52 Regular price$85.00
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Footed sleep sack with cream floral print and enclosed feet, cuffed ankles Baby footed sleep sack with cream floral print and front zip opening

2.5 TOG | 58-70°F

Footie Sleep Sack
•Posie / 2.5 TOG
Sale price$55.32 Regular price$79.00
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Footie sleep sack in slate blue, toddler front view standing with zipper Footie sleep sack in slate blue, toddler sitting with back to camera

2.5 TOG | 58-70°F

Footie Sleep Sack
•Hush / 2.5 TOG
Sale price$55.32 Regular price$79.00
Gray star-print long sleeve sleep sack with covered hands, baby asleep Gray long-sleeve sleep sack with tiny white dot pattern and zip front

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Dream / 2.5 TOG
Sale price$80.00

BACK IN STOCK

Cream long-sleeve sleep sack with scattered white geese, zip front, and arm openings Light gray long-sleeve sleep sack with goose print, front zipper, 2.5 TOG rating

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Goose / 2.5 TOG
Sale price$80.00
Sold out
Long sleeve sleep sack, gray-green tree print, wide bottom pouch, 2.5 TOG Forest green long-sleeve sleep sack with plush bunny hood and name embroidery

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Forest / 2.5 TOG
Sale price$80.00
Sold out
Long-sleeve sleep sack, dark blue with white star pattern and hooded neck opening Long-sleeve sleep sack in dark blue with white star pattern and long, covered sleeves

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Imagine / 1.0 TOG
Sale price$52.52 Regular price$75.00
Sold out
Moss green sleep sack with giraffe print, front zipper detail, and folded sleeve cuff Moss green long sleeve sleep sack with allover giraffe print and front zipper

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Giraffe Moss / 1.0 TOG
Sale price$75.00
Dark teal long-sleeve swaddle sack with zipper closure on sleeping baby Gray long-sleeve swaddle sack with open front and personalized 'Peter' on chest

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Hush / 1.0 TOG
Sale price$75.00
Goose-print swaddle sleep sack with front zip, light gray fabric Light gray goose-print swaddle sleep sack with openable front and zip

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Goose / 2.5 TOG
Sale price$79.00
Baby sleep sack, dusty blue with repeating giraffe print, long sleeves Baby sleep sack close-up, dusty blue with giraffe print, long sleeves, front zip

2.5 TOG | 58-70°F

Sleep Sack
•Giraffe Moss / 2.5 TOG
Sale price$60.00
Dark gray bamboo sleep sack with long sleeves and front zipper. Hush 2.5 TOG sleep sack in gray with pink 'Miley' lettering

2.5 TOG | 58-70°F

Sleep Sack
•Hush / 2.5 TOG
Sale price$60.00

why parents trust gunamuna sleep sacks

We know you want the best for your little one, and that means sleepwear that works as hard as you do. Our collection of baby sleep sacks is more than just wearable blankets, they're a thoughtfully designed solution to common sleep struggles.

  • safety first, always
    Sleep easy knowing our sleep sacks are designed with your baby’s safety in mind. All products are tested by a JPMA-certified lab and approved by certified pediatric sleep consultants. We never use weighted inserts—ever.
  • ease of use (even at 3 a.m.)
    Midnight diaper changes? Easy peasy with our game-changing WONDERZiP® system. The 4-way zipper lets you breeze through changes without fully undressing baby, keeping them warm, cuddled, and barely disturbed.
  • comfort beyond compare
    Wrap your little one in a cloud. Our ultra-soft bamboo viscose feels dreamy against sensitive skin, and every sleep sack is OEKO-TEX® Standard 100 certified—free from harmful substances.
  • perfect for every season
    With a range of TOGs (0.5 to 2.5), you’ll find the ideal sleep sack for any temperature. No overheating. No cold toes. Just right, every time.
  • tailored for every step
    From the first days of snug swaddling to the adventurous steps in a footie sleep sack, our collection grows with your baby. Choose from swaddle sacks for gentle reflex control, transitional sleep bags for stage shifts, classic sleep sacks for everyday use, and footie styles for little movers.

choose the perfect TOG for your nursery

Not sure which TOG to choose? TOG stands for thermal overall grade, which measures how warm a sleep sack keeps your baby.

  • 0.5 TOG: best for warmer rooms (74−78°F / 23−26°C); ideal for summer or warmer climates
  • 1.0 TOG: most popular—perfect for moderate temps (70−73°F / 21−23°C); great year-round
  • 2.5 TOG: best for cooler nights or winter (58−70°F / 14−21°C); extra warm and cozy

better sleep that grows with your baby

We believe better sleep should grow with your baby. Our thoughtfully designed baby sleep sack collection includes:

Not sure which sleep bag is right for your little one? Our sleep bag guide helps you find the perfect fit for your baby's age and sleep stage.

sleep sack frequently asked questions

  • Safety First, Always: Sleep easy knowing our sleep sacks are designed with your baby’s safety in mind. All of our products are rigorously tested by a leading JPMA Certified Lab, and Certified Pediatric Sleep Consultants Approved + Used.

  • Midnight Change Magic: Our revolutionary WONDERZiP® system means baby stays cozy and covered during diaper changes with our genius 4-way zipper—no more fully unwrapping sleepy babies or struggling with complicated closures.

  • Cloud-Soft Comfort: Ultra-soft bamboo viscose creates a gentle microclimate against baby's sensitive skin, naturally regulating temperature within the sleep sack to prevent the sweaty discomfort that often disrupts precious sleep.

  • Perfect Temperature Control: With multiple TOG options designed for different room temperatures, you'll always find the perfect warmth level for any season—ensuring baby sleeps comfortably in their sleep sack all night long.

We believe better sleep should grow with your baby. Our thoughtfully designed baby sleep sack collection includes:

Available in multiple TOG ratings (0.5-2.5) to match any season and sizes from newborn to toddler, each sleep sack is crafted from luxuriously soft bamboo viscose that feels like a cloud against delicate skin. Our OEKO-TEX® Standard 100 Certification guarantees no harmful substances—just pure comfort that creates the perfect sleep environment night after night.

Choosing the right sleep sack helps your baby sleep safely and comfortably. Consider age, size, climate, and preferences to support their growing needs. The Ultimate Guide to Choosing a Sleep Bag Your Little One Will Love

Yes! With optional arm openings, our swaddle sleep sacks safely transition from arms-in to arms-out, making them perfect for babies learning to roll. They are designed according to AAP Safe Sleep guidelines, our swaddles are snug, breathable, and never require extra blankets in the crib.

Feeling lost? You're not alone; this is one of our most asked questions! If you have a 3 month old, you've got three options in baby's size. Ultimately, it will come down to their different preferences and needs. We break it down in depth in this article.

TOG (Thermal Overall Grade) measures how warm a garment is. In baby sleepwear, TOG ratings—from 0.5 to 3.5—help parents choose the right level of warmth for safe, comfortable sleep.

Use the TOG guide below to figure out which weight is right for your baby’s sleeping conditions. Remember, these temperatures are for the nursery temperature your baby is sleeping in. Here at günamüna, we typically stock 0.5 TOG for summertime, 2.5 TOG for wintertime, and 1.0 TOG all year round.

0.5 TOG      74-78°F / 23-26°C

1.0 TOG      70-73°F / 21-23°C

2.5 TOG      58-70°F / 15-21°C

Our normal order processing days are Monday through Friday 9am-5pm. Orders will not be processed on major holidays or weekends as we’ve reserved that time for our families. Orders are processed 1-3 business days after they are placed, in the sequence they are received. Expedited orders are noted with the carrier once they are shipped. This timeline is an estimate only and not guaranteed. During a launch or special promotions, it will likely take additional time for your order to process before being shipped due to extremely high volume. Once it ships, you will receive an email with your tracking number. 

If you place an expedited order please be aware that while we do our best to ship ASAP, orders are processed in the order in which they were received during normal shipping hours. Once processed, expedited USPS, UPS and FedEx delivery commitments will apply. 

We're listening. We invite you to call us at (978) 363-0426 or email us at hello@gunamuna.com with any questions, concerns, or comments. günamüna products are all made with you and your baby in mind. Our mission is to make the easiest and most comfortable sleepwear. 

Interested in initiating a return or exchange? Learn about our return policy here.