Newton Baby
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies
Sleep Sack For Babies

Sleep Sack For Babies

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Limited Edition with the softest signature fabric by MORI.

Safe, comfy sleep — all year round. Introducing the Newton Sleep Sack, made exclusively for us by MORI. Crafted in super-soft and breathable organic cotton and bamboo fabric, this wearable blanket is designed to help keep baby at the perfect temperature all night. 1.5 TOG, suitable for babies ~ 9lbs-2yrs.

Available in Grey Marl - $ 84.00

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Breathable and Comfortable

Breathable & Comfortable

Made with beyond-soft (you have to feel it to believe!) organic cotton and bamboo fabric to help keep baby at the perfect temperature all night long, all year round.

Safe and Sound

Safe & Sound

Fitted neck and armholes keep baby safe and secure while maintaining the freedom to move. A double-direction zipper makes nighttime changes a breeze.

Room to Grow

Room to Grow

This extra-cozy sleep sack can be used for baby all the way through to the toddler years (~ 9lbs to 2yrs) so there’s plenty of room to grow.

Sleep Sack For Babies 1 2 3 4 5
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4,500 5-Star Reviews

from MORI families!

Amy Edwards Review

"My daughter's sleep is 100% more consistent with this product. It is so cozy - buy one!"

Natasha Review

"I love everything about this! Not just the soft cotton with the practical zipper fastening but the sustainable packaging."

Maddie Review

"The sleeping bags are absolutely fantastic. I have a tall one year old and they fit brilliantly. The quality is lovely and the fabric is lovely and soft!"

Gineta Review

"Amazing soft sleeping bags that are still soft after washing. My baby sleeps very soundly in them. Also great gifts!"

Vanessa Review

"This product is the best quality. So soft, very well made, they stand well after washing and they feel great against my baby’s skin."

Product Details

  • Specs

    Details

    • 1.5 TOG- ideal for year-round weather in a sleeping environment of 68-72 degrees
    • Made from a signature blend of 30% organic cotton and 70% bamboo from viscose fabric
    • Naturally breathable, thermoregulating & moisture-wicking
    • Adjustable length.
    • Suitable from ~ 9 lbs - 2 years
    • 34.25" long x 19" wide when measured on a flat surface.
    • Double direction zipper & side shoulder opening
    • Convenient stroller belt opening
    • Nickel-free snaps at armholes
    • Fill: 100% polyester (Oeko-Tex 100 Class 1 Baby Certified free from any harmful chemicals or substances)
  • Shipping & Delivery

    • Processing time: 1-2 business days
    • Transit time: 3-7 days once shipped
    • Items ships via FedEx Ground
    • Free Shipping in contiguous 48 states
    • Shipping fee to HI + AL vary based on zip code
    • Shipping fee to Canada: $25 (includes duties and taxes)
  • Returns

    • Free returns
    • Must return within 30 days of purchase in original packaging
  • Testing and Certification

    Our 100% organic products are GOTS certified and our signature bamboo and organic cotton fabric is OCS certified. We use factories that are of Oeko-Tex100 standard, which means products are Oeko-Tex 100 Class 1 Baby certified free from any harmful chemicals or substances.

  • FAQ

    What does TOG stand for?

    TOG Rating is a number which tells you how warm a garment will keep your baby . The higher the number, the warmer your little one will be when wearing the garment. 1.5 TOG for room temp of 20-22 degrees Celsius (68 - 72 Fahrenheit). Keep in mind that you might layer a short sleeved onesie under a long sleeved onesie, but it's also not recommended that baby ever wear more than one additional layer than an adult is wearing to sleep in the same temperature and environment.

    What makes the fabric so soft?

    We wanted to create a fabric that was exceptionally soft and safer than regular materials. MORI signature fabric is naturally breathable, thermoregulating & moisture-wicking, keeping little ones at the perfect temperature day & night, through every season. Before launching MORI in 2015, Founder Akin Onal used his knowledge & heritage in textiles to perfect the fabric, made using the natural materials organic cotton & bamboo from viscose.

    Can a newborn use a sleep sack?

    Once your little one is between 8-9 lbs, you can safely use the sleep sack through 24 months! ​

  • Care & Use

    We advise that babies should not wear padded/bulky clothing or sleeping sacks whilst in a car seat while driving for safety purposes.

    Washing:

    • Wash with the zipper closed
    • Wash with like colors
    • Cool or warm wash (not over 86 degrees)
    • Do not bleach
    • Tumble dry on a low heat
    • Iron on low temperature
Top 3 Crib Mattress Questions

Top 3 Sleep Sack Questions

  • How do you know if a sleep sack is safe?

    Most babies can use a sleep sack until they're about 2 years old. However, size is more of an issue than age. Larger sleep sacks can comfortably fit infants up to about 30 pounds and 40 inches tall. By the time your baby has outgrown sleep sacks, they should be able to safely use a blanket.

  • Do babies really need sleep sacks?

    Sleep sacks help babies maintain the correct body temperature without becoming overheated from too many blankets. Adding this layer to your little one in cooler sleeping environments, plus adding a breathable mattress like Newton, allows your little one to sleep safely and comfortably.

  • Why do I need a sleep sack?

    The main purpose of a sleep sack is to keep your baby’s crib free from any loose blankets. The American Academy of Pediatrics (AAP) recommends using a wearable blanket such as a sleep sack to avoid loose articles, like blankets, in the crib and keep your baby cozy and warm.