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Lilac-pink baby sleep sack with tiny print pattern, top bow detail, 1.0 TOG Baby sleep sack, light pink with small print, long wrap design and front opening

0.5 TOG | 74-78°F

Sleep Sack – Twirl / 0.5 TOG
Twirl / 0.5 TOG
Sale price$35.01 Regular price$50.00
Save 30%
Lilac-pink baby sleep sack with tiny print pattern, top bow detail, 1.0 TOG Pink baby sleep sack with small print pattern, bow at collar, 1.0 TOG

1.0 TOG | 70-73°F

Sleep Sack – Twirl / 1.0 TOG
Twirl / 1.0 TOG
Sale price$38.51 Regular price$55.00
Sold out
Cream 1.0 TOG sleep sack with multicolor planet print, worn by smiling baby Cream 1.0 TOG sleep sack with multicolor planet print, worn by baby lying down

1.0 TOG | 70-73°F

Sleep Sack – Up Up and Away / 1.0 TOG
Up Up and Away / 1.0 TOG
Sale price$38.51 Regular price$55.00
Sold out
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
Wildflower / 0.5 TOG
Sale price$35.01 Regular price$50.00
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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
Wildflower/ 1.0 TOG
Sale price$38.51 Regular price$55.00
Light blue 1.0 TOG sleep sack with dachshund print and front zipper Light blue dachshund-print sleep sack with front zip and footed shape

1.0 TOG | 70-73°F

Sleep Sack – Woof / 1.0 TOG
Woof / 1.0 TOG
Sale price$55.00
Light blue 1.0 TOG sleep sack with dachshund print and front zipper Light blue dachshund-print sleep sack with front zip and footed shape

2.5 TOG | 58-70°F

Sleep Sack – Woof / 2.5 TOG
Woof / 2.5 TOG
Sale price$60.00
Light blue 2.5 TOG sleep sack with small vehicle print, sleeveless with arm openings Light blue sleep sack with vehicle print, quilted footed panel and front zip

1.0 TOG | 70-73°F

Sleep Sack – Working / 1.0 TOG
Working / 1.0 TOG
Sale price$55.00
Light blue 2.5 TOG sleep sack with small vehicle print, sleeveless with arm openings 2.5 TOG baby sleep sack in light blue with vehicle pattern, long sleeves, front zipper

2.5 TOG | 58-70°F

Sleep Sack – Working / 2.5 TOG
Working / 2.5 TOG
Sale price$60.00
Light blue long-sleeve sleep sack with all-over goose print, wearable baby TOG 1.0 Light blue baby sleep sack with goose pattern, open back view; long sleeves

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Baseball Goose / 1.0 TOG
Baseball Goose / 1.0 TOG
Sale price$75.00
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Gray star-print long sleeve sleep sack with covered hands, baby asleep 2.5 TOG long sleeve sleep sack in gray star print with fold-over hand cuffs

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack – Dream / 0.5 TOG
Dream / 0.5 TOG
Sale price$49.01 Regular price$70.00
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

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Dream / 1.0 TOG
Dream / 1.0 TOG
Sale price$75.00
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
Dream / 2.5 TOG
Sale price$80.00
Long-sleeve sleep sack in light gray with goose and football prints, front zipper Long-sleeve sleep sack, light gray with all-over goose and football graphics, zip front

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Football Goose / 1.0 TOG
Football Goose / 1.0 TOG
Sale price$75.00
Long-sleeve sleep sack in light gray with bird and football print, front zipper. Long-sleeve sleep sack with open foot area and quilted lining, bird and sports print.

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Football Goose / 2.5 TOG
Football Goose / 2.5 TOG
Sale price$80.00
Sold out
Light gray long-sleeve sleep sack with small cartoon character print

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack – Friends / 0.5 TOG
Friends / 0.5 TOG
Sale price$49.01 Regular price$70.00
Sold out
Long-sleeve sleep sack in light gray with small yellow character pattern

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Friends / 1.0 TOG
Friends / 1.0 TOG
Sale price$52.52 Regular price$75.00
Sold out
Moss green long-sleeve sleep sack with giraffe print, zip front and curved hem Long-sleeve sleep sack in moss green with giraffe print, zip front and cuffed sleeves

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Giraffe Moss / 1.0 TOG
Giraffe Moss / 1.0 TOG
Sale price$52.50 Regular price$75.00
Sold out
Long-sleeve sleep sack in moss green with giraffe print, zip front and cuffed sleeves Long-sleeve sleep sack in moss green with allover giraffe print and zipper front

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Giraffe Moss / 2.5 TOG
Giraffe Moss / 2.5 TOG
Sale price$56.00 Regular price$80.00
Sold out
Pink long-sleeve sleep sack with small dog print and front zip; baby holding plush dog Pink long-sleeve sleep sack with small dog print and front zip; baby wearing it

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack – Girl Dog / 0.5 TOG
Girl Dog / 0.5 TOG
Sale price$49.01 Regular price$70.00
Pink long-sleeve sleep sack with allover small dog print, wearable blanket style Pink long-sleeve sleep sack with dog print and full-length zipper front

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Girl Dog / 1.0 TOG
Girl Dog / 1.0 TOG
Sale price$75.00
Pink long-sleeve sleep sack with all-over dog print, baby shown inside Girls long sleeve sleep sack, pink dog print with 'Serena' on chest and front zipper.

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Girl Dog / 2.5 TOG
Girl Dog / 2.5 TOG
Sale price$80.00

BACK IN STOCK

Goose-print long sleeve sleep sack with front zipper, off-white fabric Goose-print long sleeve sleep sack with front zipper and personalization text 'Teddy'

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Goose / 1.0 TOG
Goose / 1.0 TOG
Sale price$75.00
Save 30%
Goose-print long sleeve sleep sack on sleeping baby with front zipper detail Goose-print long sleeve sleep sack with front zipper, off-white fabric

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack – Goose / 0.5 TOG
Goose / 0.5 TOG
Sale price$49.01 Regular price$70.00

BACK IN STOCK

Goose-print long sleeve sleep sack with front zipper, off-white fabric Goose-print long sleeve sleep sack with front zipper and personalization text 'Teddy'

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Goose / 2.5 TOG
Goose / 2.5 TOG
Sale price$80.00
Long sleeve heart-print sleep sack, pink, long sleeves and enclosed bottom opening Long sleeve heart-print sleep sack, 1.0 TOG, pink with front zipper and foot coverage

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Hearts / 1.0 TOG
Hearts / 1.0 TOG
Sale price$75.00
Pink long-sleeve sleep sack with heart print, cuffed sleeves, 2.5 TOG Pink long-sleeve sleep sack with heart print, 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Hearts / 2.5 TOG
Hearts / 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
Imagine / 1.0 TOG
Sale price$52.52 Regular price$75.00
Save 30%
Baby sleep sack with light beige floral print, long sleeves Baby sleep sack with light beige floral print, long sleeves and gathered hem

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Magnolia / 1.0 TOG
Magnolia / 1.0 TOG
Sale price$52.52 Regular price$75.00
Light gray patterned long-sleeve sleep sack with front zipper and enclosed feet. Light gray patterned sleep sack with long sleeves, front zipper, and foot covering.

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Meadow / 1.0 TOG
Meadow / 1.0 TOG
Sale price$75.00
Light blue long-sleeve sleep sack with small white pattern and front zipper Light blue sleep sack with long sleeves, zip front, and open bottom with bare feet

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Meadow / 2.5 TOG
Meadow / 2.5 TOG
Sale price$80.00
Light blue long-sleeve sleep sack with moose print and front zipper, worn on baby Light blue long-sleeve sleep sack with repeating moose pattern and full-length zipper

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Moose / 1.0 TOG
Moose / 1.0 TOG
Sale price$75.00
Light blue long-sleeve sleep sack with moose pattern and full-length zip in crib Light blue 2.5 TOG sleep sack with long sleeves, front zipper, small moose print

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Moose / 2.5 TOG
Moose / 2.5 TOG
Sale price$80.00
Floral long-sleeve sleep sack, light pink petal print, toddler seated Floral long-sleeve sleep sack in light pink with small petal print, footed

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Petals / 1.0 TOG
Petals / 1.0 TOG
Sale price$75.00
Long-sleeve floral sleep sack in petal pink, with plush bunny tucked inside Long-sleeve floral sleep sack in petal pink, 2.5 TOG, with plush toy pocket

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Petals / 2.5 TOG
Petals / 2.5 TOG
Sale price$80.00
Save 30%
Pink gingham long-sleeve baby sleep sack with wide arm openings and zipper front Pink gingham sleep sack with long sleeves and center front zipper, lying on back

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack – Pink Gingham / 0.5 TOG
Pink Gingham / 0.5 TOG
Sale price$49.01 Regular price$70.00
Save 30%
Pink gingham long-sleeve sleep sack, full body coverage with zipper and arm openings Pink gingham long-sleeve sleep sack with fold-over mitten cuffs and zipper front

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Pink Gingham / 1.0 TOG
Pink Gingham / 1.0 TOG
Sale price$52.52 Regular price$75.00
Plaid long-sleeve sleep sack with round neckline, light gray grid on white Plaid long-sleeve sleep sack with round neckline and padded bottom, light gray grid

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Plaid / 1.0 TOG
Plaid / 1.0 TOG
Sale price$75.00
Plaid long-sleeve sleep sack, buttoned front and foot opening, light gray grid Plaid long-sleeve sleep sack with draped shell design and leg opening, gray grid

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Plaid / 2.5 TOG
Plaid / 2.5 TOG
Sale price$80.00
Save 30%
Cream long-sleeve sleep sack with small floral print, baby wearing with back turned Cream floral long-sleeve sleep sack, baby lying with hands near the neckline

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Posie / 1.0 TOG
Posie / 1.0 TOG
Sale price$52.50 Regular price$75.00
Sold out
Newborn in cream floral long-sleeve sleep sack with zip front, soft gathered neck Cream floral long-sleeve sleep sack with front zipper, small brown/purple flowers

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Posie / 2.5 TOG
Posie / 2.5 TOG
Sale price$40.00 Regular price$80.00
Sage green long-sleeve sleep sack with front zipper, shown being worn Sage green long-sleeve sleep sack with front zipper and 'Henry' name print

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Sage / 1.0 TOG
Sage / 1.0 TOG
Sale price$75.00
Sold out
Sage green long-sleeve sleep sack with front zip and footed openings Sage green long-sleeve sleep sack with 'Henry' on chest, front zip, footed openings

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack – Sage / 2.5 TOG
Sage / 2.5 TOG
Sale price$80.00
Long-sleeve floral sleep sack with pink rose print, front opening Long-sleeve floral sleep sack with pink rose pattern, worn with hood

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack – Savanna / 1.0 TOG
Savanna / 1.0 TOG
Sale price$75.00

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.