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Long-sleeve swaddle sack in light blue with small floral print and bunny hood Quilted long-sleeve swaddle sack in light blue with small floral print, open foot flap

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Meadow / 1.0 TOG
Meadow / 1.0 TOG
Sale price$75.00
Light blue long-sleeve swaddle sack, small floral print, 2.5 TOG, bunny-ear hood Quilted long-sleeve swaddle sack in light blue with small floral print, open foot flap

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Meadow / 2.5 TOG
Meadow / 2.5 TOG
Sale price$79.00
Light gray baby swaddle sack, long sleeves, allover moose pattern, open leg area Light gray baby long-sleeve swaddle sack with tiny moose print and front zipper

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Moose / 1.0 TOG
Moose / 1.0 TOG
Sale price$75.00
Light gray baby long-sleeve swaddle sack with tiny moose print and front zipper Light gray baby swaddle sack, long sleeves, allover moose pattern, open leg area

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Moose / 2.5 TOG
Moose / 2.5 TOG
Sale price$79.00
Long sleeve transitional swaddle sack, rose petal print with roomy sleeping bag body Long sleeve transitional swaddle sack in rose petal print with zipper front

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Petals / 1.0 TOG
Petals / 1.0 TOG
Sale price$75.00
Long-sleeve swaddle sack with petal floral print, zip front and gathered cuffs Long-sleeve swaddle sack, petal floral print, zip front and hood opening

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Petals / 2.5 TOG
Petals / 2.5 TOG
Sale price$79.00
Plaid long-sleeve swaddle sack, baby wrapped in light grid pattern Plaid long-sleeve swaddle sack with baby face and hands visible in grid pattern

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Plaid / 1.0 TOG
Plaid / 1.0 TOG
Sale price$75.00
Plaid long-sleeve swaddle sack, baby wrapped in light grid pattern Plaid long-sleeve swaddle sack with baby face and hands visible in grid pattern

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Plaid / 2.5 TOG
Plaid / 2.5 TOG
Sale price$79.00
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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

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Posie / 1.0 TOG
Posie / 1.0 TOG
Sale price$52.50 Regular price$75.00
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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
Posie / 2.5 TOG
Sale price$55.30 Regular price$79.00
Sage green long sleeve transitional swaddle sack with full front zip Sage green swaddle sack with 'Benji' name embroidery and front zip

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Sage / 1.0 TOG
Sage / 1.0 TOG
Sale price$75.00
Long-sleeve floral transitional swaddle sack with front zipper, 1.0 TOG Long-sleeve floral transitional swaddle sack with leg openings, 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Savanna / 1.0 TOG
Savanna / 1.0 TOG
Sale price$75.00
Long-sleeve transitional swaddle sack, floral print with front zipper and long sleeves Long-sleeve transitional swaddle sack, floral print with leg openings and bottom fold-over

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Savanna / 2.5 TOG
Savanna / 2.5 TOG
Sale price$79.00
Long-sleeve check swaddle sack with open bottom, baby arms in sleeves Long-sleeve transitional swaddle sack, check top with gray quilted base and neck opening

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Slumber / 1.0 TOG
Slumber / 1.0 TOG
Sale price$75.00
Long-sleeve check swaddle sack with open bottom, baby arms in sleeves Long-sleeve transitional swaddle sack, check top with gray quilted base and neck opening

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Slumber / 2.5 TOG
Slumber / 2.5 TOG
Sale price$79.00
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Long-sleeve swaddle sack in light pink floral, long sleeves and enclosed pouch Long-sleeve swaddle sack on baby, light pink floral, open bottom with pouch

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Sorbet / 1.0 TOG
Sorbet / 1.0 TOG
Sale price$52.52 Regular price$75.00
Long-sleeve transitional swaddle sack, 1.0 TOG, dark gray with white tool print, side Long-sleeve transitional swaddle sack, 1.0 TOG, dark gray with white tool print

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Tools / 1.0 TOG
Tools / 1.0 TOG
Sale price$75.00
Long sleeve swaddle sack in dark gray with tool print, baby side view, 2.5 TOG Long sleeve swaddle sack, dark gray with small tool print, 2.5 TOG, open swaddle wings

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Tools / 2.5 TOG
Tools / 2.5 TOG
Sale price$79.00
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
Tutu Goose / 0.5 TOG
Sale price$49.01 Regular price$70.00
Dusty pink long-sleeve swaddle sack with white goose print, zip front Dusty pink swaddle sack with white goose print and folded cuff, baby lying

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Tutu Goose / 1.0 TOG
Tutu Goose / 1.0 TOG
Sale price$75.00
Dusty pink long-sleeve swaddle sack with white goose print, zip front Dusty pink swaddle sack with white goose print and folded cuff, baby lying

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Tutu Goose / 2.5 TOG
Tutu Goose / 2.5 TOG
Sale price$79.00
Sold out
Light blue long-sleeve swaddle sack with animal print and plush bear attached Light blue long-sleeve swaddle sack with animal print and soft hooded head cover

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack – Woof / 0.5 TOG
Woof / 0.5 TOG
Sale price$49.01 Regular price$70.00
Light blue long-sleeve swaddle sack with animal print and plush bear attached Light blue long-sleeve swaddle sack with animal print and soft hooded head cover

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Woof / 1.0 TOG
Woof / 1.0 TOG
Sale price$75.00
Light blue long-sleeve swaddle sack with animal print and plush bear attached Light blue long-sleeve swaddle sack with animal print and soft hooded head cover

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Woof / 2.5 TOG
Woof / 2.5 TOG
Sale price$79.00
Long-sleeve swaddle sack with vehicle print, light gray; zippered opening Long-sleeve swaddle sack with vehicle print, light gray, zipper front

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack – Working / 1.0 TOG
Working / 1.0 TOG
Sale price$75.00
Long-sleeve swaddle sack with vehicle print, light gray, zipper front Long-sleeve swaddle sack with vehicle print, light gray, padded wrap shape

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack – Working / 2.5 TOG
Working / 2.5 TOG
Sale price$79.00
Light blue sleep sack with white goose print, worn by baby Light blue sleep sack with white goose print, partially covering baby on bed

1.0 TOG | 70-73°F

Sleep Sack – Baseball Goose / 1.0 TOG
Baseball Goose / 1.0 TOG
Sale price$55.00
Save 30%
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
Blossom / 1.0 TOG
Sale price$38.51 Regular price$55.00
Save 30%
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
Blossom / 2.5 TOG
Sale price$42.01 Regular price$60.00
Blue striped sleep sack with long sleeves and zipper, baby lying on back Blue striped sleep sack with zipper front and quilted circular panel design

1.0 TOG | 70-73°F

Sleep Sack – Blue Stripes / 1.0 TOG
Blue Stripes / 1.0 TOG
Sale price$55.00
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
Bouquet / 2.5 TOG
Sale price$42.01 Regular price$60.00
2.5 TOG camel-print sleep sack with zipper, dark gray 1.0 TOG sleep sack in slate blue with camel print, wrap with arm openings

1.0 TOG | 70-73°F

Sleep Sack – Camels / 1.0 TOG
Camels / 1.0 TOG
Sale price$55.00
2.5 TOG camel-print sleep sack with zipper, dark gray Gray sleep sack with yellow camel print, zippered foot opening

2.5 TOG | 58-70°F

Sleep Sack – Camels / 2.5 TOG
Camels / 2.5 TOG
Sale price$60.00
Save 30%
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
Construction / 1.0 TOG
Sale price$38.51 Regular price$55.00
Save 30%
Blue construction print 1.0 TOG sleep sack with long sleeves and roomy wrap 2.5 TOG infant sleep sack in dark blue with construction vehicle print, front zipper

2.5 TOG | 58-70°F

Sleep Sack – Construction / 2.5 TOG
Construction / 2.5 TOG
Sale price$42.01 Regular price$60.00
Sold out
Grey baby sleep sack on bedding, long sleeves, zipper, dash icon print 1.0 TOG sleep sack in grey with small icon print, full-length zip

0.5 TOG | 74-78°F

Sleep Sack – Dash / 0.5 TOG
Dash / 0.5 TOG
Sale price$35.01 Regular price$50.00
Save 30%
Grey baby sleep sack on bedding, long sleeves, zipper, dash icon print 1.0 TOG sleep sack in grey with small icon print, full-length zip

1.0 TOG | 70-73°F

Sleep Sack – Dash / 1.0 TOG
Dash / 1.0 TOG
Sale price$38.51 Regular price$55.00
Sold out
Baby in blue 2.5 TOG sleep sack with white star print and gray sleeves 2.5 TOG blue sleep sack with white star print and long gray sleeves

0.5 TOG | 74-78°F

Sleep Sack – Dream / 0.5 TOG
Dream / 0.5 TOG
Sale price$35.01 Regular price$50.00
2.5 TOG sleep sack, blue with white star dots, full-length zipper opening 2.5 TOG sleep sack with blue star pattern and front zipper, long-sleeve style

1.0 TOG | 70-73°F

Sleep Sack – Dream / 1.0 TOG
Dream / 1.0 TOG
Sale price$55.00
2.5 TOG sleep sack, blue with white star dots, full-length zipper opening 2.5 TOG sleep sack with blue star pattern and front zipper, long-sleeve style

2.5 TOG | 58-70°F

Sleep Sack – Dream / 2.5 TOG
Dream / 2.5 TOG
Sale price$60.00
Sold out
Blush floral 2.5 TOG sleep sack with long legs and arms Light sleep sack with subtle pattern, roomy round shoulder and arm openings

2.5 TOG | 58-70°F

Sleep Sack – Flora / 2.5 TOG
Flora / 2.5 TOG
Sale price$42.01 Regular price$60.00
Sold out
Blue football-print sleep sack with long sleeves and zipper, toddler holding the fabric up Light blue football-print sleep sack with long sleeves and zipper, toddler lying on bed

2.5 TOG | 58-70°F

Sleep Sack – Football / 2.5 TOG
Football / 2.5 TOG
Sale price$42.01 Regular price$60.00
Light gray baby sleep sack with duck and football print, zip front and padded sleeves Light gray wearable sleep sack with goose-and-football print and padded bottom

1.0 TOG | 70-73°F

Sleep Sack – Football Goose / 1.0 TOG
Football Goose / 1.0 TOG
Sale price$55.00
Light gray baby sleep sack with duck and football print, zip front and padded sleeves 2.5 TOG sleep sack, light gray with football goose print, full front zip

2.5 TOG | 58-70°F

Sleep Sack – Football Goose / 2.5 TOG
Football Goose / 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.sbs 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.