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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
Sale price$79.00
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
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

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Plaid / 2.5 TOG
Sale price$79.00
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
Sale price$79.00
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
Sale price$79.00
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
Sale price$79.00
Heart-print long-sleeve transitional swaddle sack, beige with footed bottom Heart-print long-sleeve swaddle sack with gathered footed hem, beige

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Hearts / 2.5 TOG
Sale price$79.00
Long sleeve swaddle sack, dog-print pattern, front zip, built-in hand covers Personalized long sleeve swaddle sack with dog-print pattern and embroidered name Lily

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Girl Dog / 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

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Football Goose / 2.5 TOG
Sale price$79.00
Long-sleeve swaddle sack in slate blue with camel print, covered legs Long-sleeve swaddle sack, slate blue camel print, padded foot opening

2.5 TOG | 58-70°F

Long Sleeve Transitional Swaddle Sack
•Camels / 2.5 TOG
Sale price$79.00
Light pink 2.5 TOG swaddle sleep sack with dog print and full-length zip front Light pink dog-print swaddle sleep sack with embroidered name "Avery"

2.5 TOG | 58-70°F

Transitional Swaddle Sleep Sack
•Girl Dog / 2.5 TOG
Sale price$72.00
Long-sleeve footed sleep sack in light gray with small vehicle print and front zipper Footed sleep sack with light gray vehicle pattern, zip front, and fold-over hand cuffs

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Working / 2.5 TOG
Sale price$85.00
Gray long-sleeve footed sleep sack with white tool icons Gray long-sleeve footed sleep sack with white tool icons

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Tools / 2.5 TOG
Sale price$85.00
Infant long-sleeve footed sleep sack with hood, back view, gray-and-white check print Infant long-sleeve footed sleep sack, gray-and-white check pattern, front zipper

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Slumber / 2.5 TOG
Sale price$85.00
Floral long-sleeve footie sleep sack with front zipper, zip-up hood and all-over rose print Floral long-sleeve sleep sack with footed legs and visible front zipper, rose print

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Savanna / 2.5 TOG
Sale price$85.00
Long sleeve plaid footie sleep sack with front zipper, worn by a baby, 2.5 TOG Long sleeve plaid footie sleep sack with front zipper, baby lying on back

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Plaid / 2.5 TOG
Sale price$85.00
Floral long-sleeve footed sleep sack with full-zip front, pink petal pattern Floral footed sleep sack open at zipper, long sleeves, pink petal pattern

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Petals / 2.5 TOG
Sale price$85.00
Light gray moose-print footed sleep sack with long sleeves, rear view zipper Light gray footed sleep sack with long sleeves and moose-print, full-length zipper

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Moose / 2.5 TOG
Sale price$85.00
Long sleeve footie sleep sack with light blue allover print, covered feet Light blue patterned long-sleeve footie sleep sack with front zip, full leg coverage

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Meadow / 2.5 TOG
Sale price$85.00
Pink heart-print long-sleeve footie sleep sack with full front zip and hooded collar Heart-print sleep sack footed legs with open zipper and soft fabric lining

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Hearts / 2.5 TOG
Sale price$85.00
Kids long-sleeve sleep sack with hood, pale pink dog print, zip-front and enclosed feet Kids long-sleeve footie sleep sack, pale pink dog print, worn with zip-front closure

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Girl Dog / 2.5 TOG
Sale price$85.00
Baby long-sleeve footed sleep sack with goose-and-football print, back view Baby long-sleeve footed sleep sack, goose and football pattern, front zip

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
•Football Goose / 2.5 TOG
Sale price$85.00
Light blue 2.5 TOG footie sleep sack with full zipper and car print Light blue baby footie sleep sack with all-over vehicle print and zipper

2.5 TOG | 58-70°F

Footie Sleep Sack
•Working / 2.5 TOG
Sale price$79.00
Light pink footie sleep sack with all-over dog print, long sleeves and footed legs Light pink 2.5 TOG footie sleep sack with dog pattern, full-body zipper, covered feet

2.5 TOG | 58-70°F

Footie Sleep Sack
•Tutu Goose / 2.5 TOG
Sale price$79.00
Gray footie sleep sack with small tools print, zip front, covered feet Gray footie sleep sack with tools print, foot openings and long sleeves

2.5 TOG | 58-70°F

Footie Sleep Sack
•Tools / 2.5 TOG
Sale price$79.00
Gingham footed baby sleep sack with front zipper and small bear applique Gingham footed baby sleep sack with front zipper and attached foot coverings

2.5 TOG | 58-70°F

Footie Sleep Sack
•Slumber / 2.5 TOG
Sale price$79.00
Floral zip-front footed sleep sack, cream with purple flower print, on a child Floral zip-front footed sleep sack with enclosed feet, cream with purple floral print

2.5 TOG | 58-70°F

Footie Sleep Sack
•Savanna / 2.5 TOG
Sale price$79.00
Cream plaid footie sleep sack with zip-front and gathered cuffs, 2.5 TOG Cream plaid footie sleep sack with full-length zipper and animal-print lining, 2.5 TOG

2.5 TOG | 58-70°F

Footie Sleep Sack
•Plaid / 2.5 TOG
Sale price$79.00
Floral footie sleep sack with front zipper, long sleeves, worn by baby Floral footie sleep sack showing open zipper and inner lining near leg opening

2.5 TOG | 58-70°F

Footie Sleep Sack
•Petals / 2.5 TOG
Sale price$79.00
Moose-pattern footie sleep sack, full-length with long sleeves and front zipper Moose-print footie sleep sack in light gray with zip-up front and hand-to-toe coverage

2.5 TOG | 58-70°F

Footie Sleep Sack
•Moose / 2.5 TOG
Sale price$79.00
2.5 TOG footie sleep sack in light blue with allover white pattern, front zipper Light blue patterned 2.5 TOG footie sleep sack with full-length zipper and hood

2.5 TOG | 58-70°F

Footie Sleep Sack
•Meadow / 2.5 TOG
Sale price$79.00
Pink heart-print footed sleep sack with long sleeves and enclosed feet, 2.5 TOG Pink heart-print footed sleep sack with long sleeves and enclosed feet, front view, 2.5 TOG

2.5 TOG | 58-70°F

Footie Sleep Sack
•Hearts / 2.5 TOG
Sale price$79.00
Pink dog-print footie sleep sack for baby girl with zip front and hood Pink dog-print footie sleep sack with full zipper and long sleeves

2.5 TOG | 58-70°F

Footie Sleep Sack
•Girl Dog / 2.5 TOG
Sale price$79.00
Kids footie sleep sack, light gray with football and goose prints, toddler wearing in profile Kids footie sleep sack, light gray with football and goose prints, full-body

2.5 TOG | 58-70°F

Footie Sleep Sack
•Football Goose / 2.5 TOG
Sale price$79.00
Dark gray star-pattern footie sleep sack with full front zipper and fold-over mitts Dark gray star-pattern hooded footie sleep sack with front zipper and mittens

2.5 TOG | 58-70°F

Footie Sleep Sack
•Dream / 2.5 TOG
Sale price$79.00
Light blue long-sleeve sleep sack with colorful vehicle pattern and wrap-over wings Light blue sleep sack with colorful vehicle print, long sleeves, and full wrap shape

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Working / 2.5 TOG
Sale price$80.00
Light pink long-sleeve sleep sack with white goose print and attached plush toy Long sleeve sleep sack with animal print and Lulu name patch

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Tutu Goose / 2.5 TOG
Sale price$80.00
2.5 TOG long-sleeve sleep sack, gray tool-pattern with padded quilted body and elastic cuffs 2.5 TOG long-sleeve sleep sack, gray with tool icons, footed design for baby

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Tools / 2.5 TOG
Sale price$80.00
Checkered long-sleeve sleep sack on a sleeping baby, with folded hand openings. Checkered long-sleeve sleep sack with arm opening and draped leg panel, gray lining.

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
•Slumber / 2.5 TOG
Sale price$80.00
Long sleeve floral sleep sack, off-white with pink roses; 2.5 TOG rating Long sleeve floral sleep sack with feet, off-white pink rose print; 2.5 TOG

2.5 TOG | 58-70°F

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

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.