long sleeve sleep sacks

Say goodbye to chilly arms and midnight diaper-change struggles. gunamuna’s long sleeve sleep sacks are crafted from ultra-soft bamboo viscose to keep your baby snug, cozy, and comfortable—all night long. 

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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
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
$75.00
+ more
Save 30%
Long sleeve 1.0 TOG sleep sack, pink floral with bear applique and zip front
Long sleeve 1.0 TOG sleep sack, pink floral with quilted padded design
Long sleeve 1.0 TOG sleep sack, pink floral with bear applique and zip front Long sleeve 1.0 TOG sleep sack, pink floral with quilted padded design

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Sorbet / 1.0 TOG
$52.52 $75.00
+ more
Pink long-sleeve sleep sack with allover small dog print, wearable blanket style
Pink long-sleeve sleep sack with allover dog print, wraparound wearable blanket
Pink long-sleeve sleep sack with allover small dog print, wearable blanket style Pink long-sleeve sleep sack with allover dog print, wraparound wearable blanket

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Girl Dog / 1.0 TOG
$75.00
+ more
Sold out
Long-sleeve sleep sack in light gray with small yellow character pattern
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
$52.52 $75.00
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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
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
$52.52 $75.00
+ more
Light blue long-sleeve sleep sack with dachshund prints and full zip front
Light blue sleep sack with dachshund pattern, long sleeves, zipper opening
Light blue long-sleeve sleep sack with dachshund prints and full zip front Light blue sleep sack with dachshund pattern, long sleeves, zipper opening

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Woof / 1.0 TOG
$75.00
+ more

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Light pink long sleeve sleep sack with white bird prints and plush bunny accessory
Light pink long sleeve sleep sack with white bird pattern and plush bunny accessory
Light pink long sleeve sleep sack with white bird prints and plush bunny accessory Light pink long sleeve sleep sack with white bird pattern and plush bunny accessory

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Tutu Goose / 1.0 TOG
$75.00
+ more

BACK IN STOCK

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
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

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Goose / 1.0 TOG
$75.00
+ more
Sold out
Moss green sleep sack with giraffe print, front zipper detail, and folded sleeve cuff
Moss green long sleeve sleep sack with allover giraffe print and front zipper
Moss green sleep sack with giraffe print, front zipper detail, and folded sleeve cuff Moss green long sleeve sleep sack with allover giraffe print and front zipper

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Giraffe Moss / 1.0 TOG
$75.00
+ more
Long-sleeve baby sleep sack, light beige with white floral print
Long-sleeve sleep sack in light beige with small white floral pattern
Long-sleeve baby sleep sack, light beige with white floral print Long-sleeve sleep sack in light beige with small white floral pattern

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Magnolia / 1.0 TOG
$75.00
+ more
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
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

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Posie / 1.0 TOG
$75.00
+ more
Sage long-sleeve sleep sack, front view of toddler smiling while seated
Sage long-sleeve sleep sack with zipper front, toddler sitting on cushioned bed
Sage long-sleeve sleep sack, front view of toddler smiling while seated Sage long-sleeve sleep sack with zipper front, toddler sitting on cushioned bed

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Sage / 1.0 TOG
$75.00
+ more

BACK IN STOCK

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
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

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Dream / 1.0 TOG
$75.00
+ more
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
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
$52.52 $75.00
+ more
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
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
$75.00
+ more
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
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
$75.00
+ more
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.
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
$75.00
+ more
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
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
$75.00
+ more
Floral long-sleeve sleep sack, light pink petal print, toddler seated
Floral long-sleeve sleep sack in light pink with small petal print, footed
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
$75.00
+ more
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
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
$75.00
+ more
Long-sleeve floral sleep sack with pink rose print, front opening
Long-sleeve floral sleep sack with pink rose pattern, worn with hood
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
$75.00
+ more
Gingham long-sleeve sleep sack, 1.0 TOG, elastic cuffs and open hands
Gingham long-sleeve sleep sack, 1.0 TOG, full-body with arm openings
Gingham long-sleeve sleep sack, 1.0 TOG, elastic cuffs and open hands Gingham long-sleeve sleep sack, 1.0 TOG, full-body with arm openings

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Slumber / 1.0 TOG
$75.00
+ more
Gray long-sleeve sleep sack with allover tool print, covered feet and open armholes
Gray long-sleeve sleep sack flat view, tool print top and quilted belly, elastic feet cuffs
Gray long-sleeve sleep sack with allover tool print, covered feet and open armholes Gray long-sleeve sleep sack flat view, tool print top and quilted belly, elastic feet cuffs

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Tools / 1.0 TOG
$75.00
+ more
Light blue long-sleeve sleep sack with small vehicle print and front zipper
Light blue long-sleeve sleep sack with allover vehicle pattern and zipper front opening
Light blue long-sleeve sleep sack with small vehicle print and front zipper Light blue long-sleeve sleep sack with allover vehicle pattern and zipper front opening

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
•Working / 1.0 TOG
$75.00
+ more

the ultimate sleep solution for cooler nights

When the room temperature drops, our long sleeve sleep sacks deliver exactly what sleepy babies need—extended sleeve coverage that keeps little arms cozy while maintaining the breathable comfort that makes bamboo rayon so special for sensitive skin.


Our signature long sleeve sleep sack combines the luxurious feel of silky bamboo with innovative features that make your life easier. The down alternative fill creates cozy insulation without overheating, while the roomy bottom allows for natural movement and healthy hip development. Every detail, from the smooth interior seams to the carefully positioned zipper, prioritizes your baby's comfort and your peace of mind during those chilly nights.

why choose gunamuna long sleeve sleep sacks?

  • temperature-perfect design: Down alternative fill and bamboo rayon work together to create the ideal microclimate—warm enough for cooler nurseries but breathable enough to prevent overheating and sweaty discomfort.
  • effortless nighttime changes: Our exclusive WONDERZiP® technology means diaper changes happen without fully undressing your sleepy little one—keeping those arms covered and cozy throughout.
  • safety-first construction: Rigorously tested to meet U.S. and Canada safety standards, our OEKO-TEX® certified sleep sacks are free from harmful chemicals and irritants—because safe sleep is non-negotiable.
  • gentle on sensitive skin: Ultra-smooth bamboo rayon minimizes friction and irritation while allowing skin to breathe naturally—perfect for babies with eczema or other skin sensitivities that require extra care.

frequently asked questions

If your baby tends to get cold easily, sleeps in a cooler nursery, or you're transitioning from swaddling, long sleeve sleep sacks are ideal. They're perfect for fall and winter months, air-conditioned environments, or any time you want that extra layer of warmth without the bulk of multiple clothing pieces.

Our innovative WONDERZiP® features a two-way zipper that opens from the bottom, allowing quick and easy diaper changes without removing the entire sleep sack. Your baby stays warm and cozy while you handle middle-of-the-night changes—it's a game-changer for maintaining everyone's sleep.

Yes! Long sleeve sleep sacks are actually ideal for active sleepers because they provide consistent warmth even when your little one moves around. Unlike loose blankets that can shift or bunch up, sleep sacks stay in place, ensuring safe, comfortable sleep all night long.