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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
Sale price$80.00
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
Sale price$80.00
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
Sale price$80.00
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
Sale price$60.00
2.5 TOG tool-print sleep sack in gray with full-length zipper Grey 2.5 TOG sleep sack with white tools pattern and front zip, long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Tools / 2.5 TOG
Sale price$60.00
2.5 tog sleep sack, gray check pattern, front zipper, open arms Baby sleep sack, gray-and-white gingham with long sleeves and bottom zip opening, 2.5 TOG

2.5 TOG | 58-70°F

Sleep Sack
•Slumber / 2.5 TOG
Sale price$60.00
Floral baby sleep sack, 2.5 TOG, green with pink rose print Baby sleep sack with long sleeves, cream base and mauve floral print, 2.5 TOG

2.5 TOG | 58-70°F

Sleep Sack
•Savanna / 2.5 TOG
Sale price$60.00
Plaid sleep sack (2.5 TOG) in light beige with tan-brown check pattern Plaid sleep sack (2.5 TOG) with long sleeves and enclosed feet, light gray grid

2.5 TOG | 58-70°F

Sleep Sack
•Plaid / 2.5 TOG
Sale price$60.00
Pink floral-pattern sleep sack with long sleeves for baby Baby sleep sack, rose floral print, zip-front, long sleeves, gathered bottom hem

2.5 TOG | 58-70°F

Sleep Sack
•Petals / 2.5 TOG
Sale price$60.00
Gray moose-printed sleep sack with folded cuffs, worn by baby, 2.5 TOG Light gray moose-print sleep sack, 2.5 TOG, zip-front with long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Moose / 2.5 TOG
Sale price$60.00
Baby sleep sack, light gray wearable blanket with zip-front and long sleeves, 2.5 TOG 2.5 TOG meadow sleep sack, light blue with small floral print and long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Meadow / 2.5 TOG
Sale price$60.00
Baby sleep sack in blush pink with small heart pattern, long sleeves, front zip Pink baby sleep sack with small white heart print, long sleeves and front zip

2.5 TOG | 58-70°F

Sleep Sack
•Hearts / 2.5 TOG
Sale price$60.00
Pink dog-pattern sleep sack, 2.5 TOG, full-length zip, baby wearing Baby sleep sack, pale pink with dog print and 'Remy' embroidery, long sleeves

2.5 TOG | 58-70°F

Sleep Sack
•Girl Dog / 2.5 TOG
Sale price$60.00
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
Sale price$60.00
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
Sale price$60.00
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
Sale 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
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

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Slumber / 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
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

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Plaid / 1.0 TOG
Sale price$75.00
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
Sale price$75.00
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
Sale price$75.00
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
Sale price$75.00
Heart-print long-sleeve transitional swaddle sack, beige with footed bottom Heart-print long-sleeve swaddle sack with gathered footed hem, beige

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Hearts / 1.0 TOG
Sale price$75.00
Long-sleeve swaddle sack in slate blue with camel print, covered legs Long-sleeve swaddle sack, slate blue camel print, padded foot opening

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
•Camels / 1.0 TOG
Sale price$75.00
Pink floral infant sleep sack with long sleeves and open arm openings Pink swaddle sleep sack with floral upper panel and rounded neck opening

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Petal / 1.0 TOG
Sale price$76.00
Pink 2.5 tog swaddle sleep sack with white heart print, swaddle wings Pink 2.5 tog swaddle sleep sack with white hearts, wrapped long-sleeve design

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Hearts / 1.0 TOG
Sale price$76.00
Gingham swaddle sleep sack with foldover swaddle arms, light lavender trim Gingham swaddle sleep sack with quilted inner lining and lavender edging

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Slumber / 1.0 TOG
Sale price$76.00
Floral swaddle sleep sack, all-over pink and green botanical print, front zip Floral swaddle sleep sack with front zip, long sleeves, pink and green botanical print

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Savanna / 1.0 TOG
Sale price$76.00
Light blue floral swaddle sleep sack with zip front and roomy leg openings Light blue floral 1.0 TOG sleep sack with long sleeves and front zipper

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Meadow / 1.0 TOG
Sale price$76.00
2.5 TOG sleep sack with gray quilted wings and multicolor vehicle pattern, zip front 2.5 TOG swaddle sleep sack, light gray with multicolor vehicle print, wrapped foot

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Working / 1.0 TOG
Sale price$76.00
2.5 TOG swaddle sleep sack, light gray with moose print and front zipper 2.5 TOG swaddle sleep sack, light gray with moose print and open bottom fold

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Moose / 1.0 TOG
Sale price$76.00
Plaid swaddle sleep sack, light blue-gray, with front zipper and 2.5 TOG rating

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Plaid / 1.0 TOG
Sale price$76.00
2.5 TOG swaddle sleep sack in blue with small camel pattern, front view Blue 2.5 TOG sleep sack with camel print, open wrap flap showing padded insert

1.0 TOG | 70-73°F

Swaddle Sleep Sack
•Camels / 1.0 TOG
Sale price$76.00
Pink floral infant sleep sack with long sleeves and open arm openings Pink swaddle sleep sack with floral upper panel and rounded neck opening

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Petal / 2.5 TOG
Sale price$79.00
Pink 2.5 tog swaddle sleep sack with white hearts, wrapped long-sleeve design Pink 2.5 tog swaddle sleep sack with white heart print, swaddle wings

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Hearts / 2.5 TOG
Sale price$79.00
Lavender check swaddle sleep sack with hooded opening and secure wrap Lavender gingham swaddle sleep sack with large swaddle panel and quilted lining

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Slumber / 2.5 TOG
Sale price$79.00
Swaddle sleep sack with dog print, 2.5 TOG, full-body swaddle for baby 2.5 TOG girldog swaddle sleep sack, light pink dog print, front zipper

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Girldog / 2.5 TOG
Sale price$79.00
Floral swaddle sleep sack, all-over sage and mauve botanical print, long sleeves Floral swaddle sleep sack with front zipper, long sleeves, sage and mauve pattern

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Savanna / 2.5 TOG
Sale price$79.00
Meadow swaddle sleep sack with long sleeves, front zipper, light blue floral print Light blue floral swaddle sleep sack with front zipper and hooded collar

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Meadow / 2.5 TOG
Sale price$79.00
2.5 TOG swaddle sleep sack, light gray with multicolor vehicle print, wrapped foot 2.5 TOG sleep sack with gray quilted wings and multicolor vehicle pattern, zip front

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Working / 2.5 TOG
Sale price$79.00
2.5 TOG swaddle sleep sack, light gray with moose print and front zipper 2.5 TOG swaddle sleep sack, light gray with moose print and open bottom fold

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Moose / 2.5 TOG
Sale price$79.00
Plaid swaddle sleep sack, light blue-gray, with front zipper and 2.5 TOG rating

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Plaid / 2.5 TOG
Sale price$79.00
2.5 TOG swaddle sleep sack in blue with small camel pattern, front view Blue 2.5 TOG sleep sack with camel print, open wrap flap showing padded insert

2.5 TOG | 58-70°F

Swaddle Sleep Sack
•Camels / 2.5 TOG
Sale price$79.00

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.