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ergoPouch Sleep Sack 3.5 TOG Sleeved Oatmeal Marle - 2 of 4ergoPouch Sleep Sack 3.5 TOG Sleeved Oatmeal Marle - 3 of 4ergoPouch Sleep Sack 3.5 TOG Sleeved Oatmeal Marle - 4 of 4
ergoPouch Sleep Sack 3.5 TOG Sleeved Oatmeal Marle - 1 of 4

ergoPouch Sleep Sack 3.5 TOG Sleeved Oatmeal Marle 3-12M

$74.95

size3-12m
coloroatmeal marle

In Stock

Free & easy returns

Free & easy returns

Return this item by mail or in store within 30 days for a full refund.
Sold & shipped by ergoPouch
Eligible for registries and wish lists

About this item

Highlights

  • 3.5 TOG perfect for room temperatures 53°-65°F
  • GOTS certified organic cotton
  • Made and filled with organic cotton
  • Breathable natural fibers
  • Slim-fit and stretchy
  • Bell-shaped bottom
  • Arms-out sleeping
  • Fold-over cuffs
  • Two-way zip
  • Certified non-toxic

Description

The 3.5 TOG Sleep Sack with Sleeves is a baby and toddler safe-sleep sack designed for arms-out sleepers (usually from around 3 months of age). Being 3.5 TOG-rated ensures the sack is insulated to use in room temperatures between 53-65°F with no blankets required in the cot making this a safe sleep option for baby. The Sleep Sack has a slim-fit, stretchy design similar to that of a swaddle and is recommended as baby's 'first sleep sack' after the swaddling phase is over. The safe-sleep approved design is made from, and filled with, soft, stretchy GOTS certified organic cotton that is non-toxic and gentle of baby's skin. Natural fibers, and no polyester, makes this sleep sack breathable, and will help regulate your child's temperature during sleep to prevent overheating. The ergonomically designed sack features a bell-shaped bottom to promote healthy hip joint development and is approved by the International Hip dysplasia Institute, and the material is stretchy to allow baby to move more freely and stay comfortable while they sleep. Parents can follow the FREE room thermometer and What to Wear guide provided, to layer appropriately underneath to keep their child warm. We recommend pairing this pouch with one of our TOG-rated Layers or Bodywear underneath, and Arm Warmers can be added on top of the pouch for extra warmth (all sold separately). If you find your baby tends to run hot during sleep, you might want to consider the 2.5 TOG Sleep Sack with Sleeves instead. The Sleep Sack meets all safety standards in Australia and New Zealand and is reviewed by the Eczema Association of Australasia as a skin-friendly product. All ergoPouch fabrics are dyed with non-toxic water based dyes, and come in trend-driven prints and colors to suit any nursery. All our prints are designed in-house.
Dimensions (Overall): 32 inches (L), 12 inches (W)
Fabric Name: Jersey
Textile Material: 95% Organic Cotton
Style: Swaddle Blankets
Theme: No Theme
Thread Count: Not Applicable
TOG Rating: 3.5 TOG
Package Quantity: 1
Care and Cleaning: Hand Wash, Tumble Dry
TCIN: 1005202678
UPC: 9352240022887
Origin: imported
The above item details were provided by the Target Plus™ Partner. Target does not represent or warrant that this information is accurate or complete. On occasion, manufacturers may modify their items and update their labels.
We recommend that you do not rely solely on the information presented. If you have a specific question about this item, you may consult the item's label, contact the manufacturer directly or call Target Guest Services at 1-800-591-3869.
If the item details aren’t accurate or complete, we want to know about it.

Ergopouch
baby sleep sack

Size Pouch Length (in) Child weight (lb) Child height (in)
3-12M 31.5'' 13-22 lbs 24.4''-29.9''
8-24M 35.4'' 18-31 lbs 26.8''-36.2''
2-4Y 41.3'' Follow height markers 36.2''-42.5''

All Sizes in Inches Unless Otherwise Stated

Shipping details

Estimated ship dimensions: 14.57 inches length x 11.02 inches width x 3.15 inches height
Estimated ship weight: 1.39 pounds
item ships from third party seller: ergoPouch

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 30 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
See the return policy for complete information.

Additional product information and recommendations

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Guests are saying

The Ergo Pouch sleep sacks are highly praised for their quality, warmth, and comfort, making them a favorite among parents for keeping their babies snug during colder nights. Many guests appreciate the natural fabrics and durability, noting that they wash well without shrinkage. However, some guests have mentioned concerns about sleeve length and sizing. Overall, these sleep sacks are seen as a worthwhile investment for better sleep.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    4.6 out of 5 stars with 55 reviews
    5 out of 5 stars
    22 May, 2026
    originally posted on ergopouch.com
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    Perfect fit and nice and warm

    Love these and we upped from 2.5 with 1 onsie to a 3.5 bag and so glad, baby sleeping so well and comfy! Easy on off or to change if you need to in middle of the night.
    Margaret K. G.
    Did you find this review helpful?
    5 out of 5 stars
    18 May, 2026
    originally posted on ergopouch.com
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    Perfect size for our newborn

    So easy to use and fits our newborn perfectly - turns out she’s an arms up sleeper so great to be able to use this with her arms out after swaddling for the first few days.
    Kate C.
    Did you find this review helpful?
    5 out of 5 stars
    29 April, 2026
    originally posted on ergopouch.com
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    My baby is now sleeping 4 hour stretches!

    My baby was up every hour before purchasing. Now sleeping 4 hour stretches! This momma cannot be more thankful!
    Daniele B.
    Did you find this review helpful?
    5 out of 5 stars
    10 April, 2026
    originally posted on ergopouch.com
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    Cosy and warm.

    Great product made very well. My child loves the suit and sleeps even better.
    Natalie W.
    Did you find this review helpful?
    5 out of 5 stars
    10 April, 2026
    originally posted on ergopouch.com
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    My favourite sleeping bags

    I have always bought ergo pouch because of the quality natural fabrics & the quality of the make. You can wash these time and time again and never have any shrinkage
    Maddie T.
    Did you find this review helpful?
    3 out of 5 stars
    10 March, 2026
    originally posted on ergopouch.com
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    Sleeves too short

    We have a couple of these sleep sacks that were gifted to us for Christmas and love how warm they have keep my baby during this winter in a house without great heat. However the sleeves are just too short, so his hands are always popping out of the hand covers and get super cold unfortunately. I don’t know if my son has long arms relative to other babies (he seems pretty proportional to me, he’s in the 60% for height) but the sleeves have been too short the entire time we’ve had these sleep sacks (from 5m until now 8months).
    Charelle B.
    Did you find this review helpful?
    5 out of 5 stars
    11 February, 2026
    originally posted on ergopouch.com
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    Great sleep pouch

    Warm, sleeves are like a sweat shirt material. Washes and drys well.
    Lisa B.
    Did you find this review helpful?
    5 out of 5 stars
    6 February, 2026
    originally posted on ergopouch.com
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    3.5 TOG!

    3.5 TOG sleep sacks is the reason we found ergoPouch, and 2 years into using them we are still happy customers. My toddler loves his blue dragonfly sleeping bag.
    Cherise J.
    Did you find this review helpful?
    5 out of 5 stars
    21 January, 2026
    originally posted on ergopouch.com
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    Love the sleep sack

    Two babies in and all I use is ergopouch. The best sleep sack.
    Janette S.
    Did you find this review helpful?
    5 out of 5 stars
    13 January, 2026
    originally posted on ergopouch.com
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    Sleep Sack 3.5

    Absolutely love the ergoPouch sleep sacks in general and the 3.5 TOG for the colder nights!!!
    Jasmine M.
    Did you find this review helpful?
    5 out of 5 stars
    7 January, 2026
    originally posted on ergopouch.com
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    Highly Recommend!

    We live in a place where it is not unsurprising when it gets to -40o F, and our winters are loooong. We have had these sleep sacks for 2 winters now, sizing up when our little dude outgrows, and they keep him sleeping soundly.
    Andrea G.
    Did you find this review helpful?
    5 out of 5 stars
    1 January, 2026
    originally posted on ergopouch.com
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    So cosy and great quality

    We bought two of these for our twin girls and they seem to really love them. They are a really good quality material, nice and thick, and keep them really warm and cosy. The fact they are much longer than the standard 0-6 month sleeping bags is also great as our girls are on the longer side and were finding the shorter bags annoying. We'll definitely buy again.
    Philippa W.
    Did you find this review helpful?
    5 out of 5 stars
    30 December, 2025
    originally posted on ergopouch.com
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    Keeps her warm and safe.

    I just wish they had a smaller size. My baby rolled over very early, and is in the 2nd percentile- so small. This was the smallest 3.5 tog u found that had sleeves for a two month old.
    Nina S.
    Did you find this review helpful?
    5 out of 5 stars
    19 December, 2025
    originally posted on ergopouch.com
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    Super snug

    Our little one was waking in the night a lot more before we got this. Keeps her snug all night through.
    Lee E.
    Did you find this review helpful?
    5 out of 5 stars
    17 December, 2025
    originally posted on ergopouch.com
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    3.5 TOG Sleep Sack

    We purchased this sleep sack in hopes that it would help baby sleep better overnight and it did just that. The sleep sack itself is well made. I was worried the zipper being front and center would be an issue because our baby likes to sleep on his stomach but no issues! He's never slept better.
    Nicole S.
    Did you find this review helpful?
    5 out of 5 stars
    16 December, 2025
    originally posted on ergopouch.com
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    Always reliable

    Baby has never had any issues with the products, this is his third sleep sack and we never have any concerns. Wish it was slightly cheaper so I could stock up more.
    Genevieve C.
    Did you find this review helpful?
    4 out of 5 stars
    13 December, 2025
    originally posted on ergopouch.com
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    Great

    Great item, only complaint is the tag is in a spot on the neck where it could get itchy. Would make more sense to put it inside the body of the pouch.
    Charles H.
    Did you find this review helpful?
    5 out of 5 stars
    12 December, 2025
    originally posted on ergopouch.com
    Image

    Very soft & warm, and a beautiful print

    This sleepingbag is so nice and warm, and soft. It’s very easy to put the little bay arms through the sleeves.I really recommend!!
    Anne V.
    Did you find this review helpful?
    5 out of 5 stars
    9 December, 2025
    originally posted on ergopouch.com
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    Sleeps better

    My baby is sleeping better since getting this sleeping bag. I think he was getting cold in the middle of the night and this is warmer, and crucially, covers his arms. I’d recommend!
    Megan L.
    Did you find this review helpful?
    5 out of 5 stars
    2 September, 2025
    originally posted on ergopouch.com
    Image

    Beautiful quality & easy to wash

    Love our ergoPouch! The quality is amazing, super soft and cosy, and it washes really well. Baby sleeps so comfortably in it — highly recommend!
    Zoe L.
    Did you find this review helpful?

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