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Infant wearing pastel wildflower sleep sack, side view with long sleeves and cuffed hands. Infant in a white floral sleep sack with long sleeves and rounded neckline

0.5 TOG | 74-78°F

Sleep Sack
•Wildflower / 0.5 TOG
Sale price$35.01 Regular price$50.00
Save 30%
Infant wearing pastel wildflower sleep sack, side view with long sleeves and cuffed hands. Pastel wildflower sleep sack displayed with ankle cuffs and long sleeves.

1.0 TOG | 70-73°F

Sleep Sack
•Wildflower/ 1.0 TOG
Sale price$38.51 Regular price$55.00
Save 30%
Floral 1.0 TOG sleep sack on bed, long sleeves with zipper front, light pink Baby sleep sack with floral print, long sleeves and zip front, 0.5 TOG

0.5 TOG | 74-78°F

Sleep Sack
•Sorbet / 0.5 TOG
Sale price$35.01 Regular price$50.00
Save 30%
Floral 1.0 TOG sleep sack on bed, long sleeves with zipper front, light pink Floral sleep sack with long sleeves and front zipper, light pink and cream

1.0 TOG | 70-73°F

Sleep Sack
•Sorbet/ 1.0 TOG
Sale price$38.51 Regular price$55.00
Girls 1.0 tog sleep sack in pale pink with dog print, shoulder tie, zip front Pink dog-print 1.0 TOG sleep sack with long sleeves, front zip, and Remu logo

1.0 TOG | 70-73°F

Sleep Sack
•Girl Dog / 1.0 TOG
Sale price$55.00
Blush pink sleep sack with white swan print, baby lying on back with arms up Pink toddler sleep sack with all-over swan print and embroidered name on front

2.5 TOG | 58-70°F

Sleep Sack
•Tutu Goose / 2.5 TOG
Sale price$60.00
Save 30%
Floral long-sleeve swaddle sleep sack with zipper, soft pink and beige. Floral long-sleeve swaddle sleep sack with wrap sides, soft pink and beige, baby upright.

1.0 TOG | 70-73°F

Long Sleeve Swaddle Sleep Sack
•Sorbet/1.0 TOG
Sale price$56.02 Regular price$80.00
Save 30%
Light gray swaddle sleep sack, long sleeves, yellow animal print, front zipper Light swaddle sleep sack with long sleeves, yellow animal print, front chest zipper

1.0 TOG | 70-73°F

Long Sleeve Swaddle Sleep Sack
•Friends / 1.0 TOG
Sale price$56.02 Regular price$80.00
Pink long-sleeve sleep sack with allover bird print, swaddle wings, zip front Light pink long-sleeve swaddle sleep sack with bird print and front zipper

1.0 TOG | 70-73°F

Long Sleeve Swaddle Sleep Sack
•Tutu Goose / 1.0 TOG
Sale price$80.00
Long sleeve swaddle sleep sack, goose print with zip front and long sleeves Long sleeve swaddle sleep sack with goose print, zip front, and fitted arm openings

1.0 TOG | 70-73°F

Long Sleeve Swaddle Sleep Sack
•Goose / 1.0 TOG
Sale price$80.00
Sold out
0.5 TOG swaddle sleep sack in light gray with small duck print, full-body wrap Swaddle sleep sack with zip-front and duck print, light gray for infants

0.5 TOG | 74-78°F

Swaddle Sleep Sack
•Friends / 0.5 TOG
Sale price$50.41 Regular price$72.00
Swaddle sleep sack with allover dog print, light pink fabric and front zipper Pink dog-print swaddle sleep sack with front zipper

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Girl Dog / 1.0 TOG
Sale price$75.00
2.5 TOG swaddle sleep sack, gray with white star pattern and secure wrap Baby swaddle sleep sack with long sleeves, gray fabric and white star pattern

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Dream / 2.5 TOG
Sale price$79.00
Sold out
Baby in floral print sleep sack, side view, long sleeves Floral baby sleep sack with long sleeves, off-white fabric and bouquet flower pattern

2.5 TOG | 58-70°F

Sleep Sack
•Bouquet / 2.5 TOG
Sale price$42.01 Regular price$60.00
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Floral sleep sack with maroon base and white flower print, front view 2.5 tog sleep sack with purple floral print and mauve solid base, long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Blossom / 2.5 TOG
Sale price$42.01 Regular price$60.00
Light blue dog-print long-sleeve swaddle sleep sack with front zipper, baby in bed Light blue long sleeve swaddle sleep sack with dachshund print and front zipper, name Luca

2.5 TOG | 58-70°F

Long Sleeve Swaddle Sleep Sack
•Woof / 2.5 TOG
Sale price$82.00
Light blue footie sleep sack with dog-print, front zipper and fold-over cuffs Light blue footie sleep sack close-up with dog-print fabric and front zipper

2.5 TOG | 58-70°F

Footie Sleep Sack
•Woof / 2.5 TOG
Sale price$79.00
Sold out
Beige baby sleep sack with tree motif, long sleeves, and front zipper Light beige toddler sleep sack with tree print, front zip, and foot opening

2.5 TOG | 58-70°F

Sleep Sack
•National Park / 2.5 TOG
Sale price$42.01 Regular price$60.00
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

2.5 TOG | 58-70°F

Sleep Sack
•Woof / 2.5 TOG
Sale price$60.00
Long-sleeve swaddle sack in light blue with dog print, 2.5 TOG, wrapped sleeping suit Cream long-sleeve transitional swaddle sack with fox print and embroidered name

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Woof / 2.5 TOG
Sale price$79.00
Light gray long-sleeve swaddle sack with bird-and-football print, sleeves for baby's arms Light gray long-sleeve swaddle sack with bird/football print, zip front and cuffed sleeves

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Football Goose / 1.0 TOG
Sale price$75.00
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

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Checkmate / 2.5 TOG
Sale price$50.41 Regular price$72.00
2.5 TOG light blue sleep sack with dachshund print, long sleeves, open bottom Light blue swaddle sleep sack with dachshund print and “August” embroidery, 1.0 TOG

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Woof / 2.5 TOG
Sale price$79.00
Transitional swaddle sleep sack, light gray with dachshund print and long sleeves 1.0 TOG transitional swaddle sleep sack, light gray with dachshund-style animal print

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Woof / 2.5 TOG
Sale price$72.00

BACK IN STOCK

Light neutral long-sleeve footie sleep sack with goose print, full-body view Light neutral footie sleep sack with goose print, long sleeves and enclosed foot

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Goose / 2.5 TOG
Sale price$85.00
Baby wearing long-sleeve swaddle sack, dark teal with arm openings Gray long-sleeve swaddle sack with open front and personalized 'Peter' on chest

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Hush / 2.5 TOG
Sale price$79.00
Long sleeve transitional swaddle sack in dusty blue with giraffe print

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Giraffe Moss / 2.5 TOG
Sale price$79.00
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

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Goose / 2.5 TOG
Sale price$79.00
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
Sale price$72.00
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
Sale price$72.00

BACK IN STOCK

Beige baby sleep sack with white goose print and draped swaddle wrap Goose print swaddle sleep sack with front name patch, cream-colored baby sleep suit

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Goose / 2.5 TOG
Sale price$72.00
Sold out
Baby swaddle sleep sack with floral print, zip-front, long sleeves and enclosed feet. Baby swaddle sleep sack floral print with footed design and zip opening at the front.

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Posie / 2.5 TOG
Sale price$79.00
Cream 1.0 TOG swaddle sack, long sleeves with small floral print, open leg bottom Cream floral long-sleeve 1.0 TOG swaddle sack with hood and swaddle legs

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Posie / 2.5 TOG
Sale price$79.00
1.0 TOG sleep sack in sage gray with white stars, toddler wearing 1.0 TOG sleep sack in sage gray with white star pattern, long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Shine / 2.5 TOG
Sale price$60.00
Gray long-sleeve sleep sack with repeating tree print, 1.0 tog Gray sleep sack with small tree pattern, long sleeves and foot opening, 1.0 tog

2.5 TOG | 58-70°F

Sleep Sack
•Forest / 2.5 TOG
Sale price$60.00
Sold out
Sage long-sleeve sleep sack, front view of toddler smiling while seated Sage long-sleeve baby sleep sack, 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Sage / 2.5 TOG
Sale price$80.00
Bamboo 1.0 TOG baby sleep sack with floral print and front zipper, light beige 1.0 TOG baby sleep sack with floral print and front zipper, light beige

2.5 TOG | 58-70°F

Sleep Sack
•Posie / 2.5 TOG
Sale price$60.00
Taupe floral baby sleep sack with zip front and long sleeves, on a padded surface Taupe floral baby sleep sack with long arms and zip front, resting in a crib

2.5 TOG | 58-70°F

Sleep Sack
•Magnolia / 2.5 TOG
Sale price$60.00
Sage green sleep sack, 1.0 TOG wearable blanket with arm openings Sage green baby sleep sack with 'Coco' on front, 1.0 TOG

2.5 TOG | 58-70°F

Sleep Sack
•Sage / 2.5 TOG
Sale price$60.00
Light gray baby sleep sack with scattered white duck print, worn on a standing baby Cream goose-print sleep sack with zip front and personalized name patch “Alex”.

2.5 TOG | 58-70°F

Sleep Sack
•Goose / 2.5 TOG
Sale price$60.00
Save 30%
Cream long-sleeve sleep sack with scattered white geese, zip front, and arm openings Cream long-sleeve baby sleep sack with white goose print and fold-over hand cuffs

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack
•Goose / 0.5 TOG
Sale price$49.01 Regular price$70.00
Sold out
Pink goose-print swaddle sleep sack with front zipper; baby wearing Pink goose-print swaddle sleep sack, open front showing baby’s legs and zipper

0.5 TOG | 74-78°F

Swaddle Sleep Sack
•Tutu Goose / 0.5 TOG
Sale price$50.41 Regular price$72.00
Save 30%
Long-sleeve transitional swaddle sack in light beige with white goose print, baby wearing Long-sleeve transitional swaddle sack with white goose print, padded arms and covered legs

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
•Goose / 0.5 TOG
Sale price$49.01 Regular price$70.00
Sold out
Long sleeve swaddle sack, dusty pink with allover white goose pattern Long sleeve swaddle sack with wraparound design, dusty pink and white goose print

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
•Tutu Goose / 0.5 TOG
Sale price$49.01 Regular price$70.00

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.