The 10 Best Organic Sleep Sacks and Wearable Blankets for Babies

Low Toxin Sleep Sacks | Safe Materials & Cozy | Woolino, Castleware, honestbaby, touched by nature, keababies, burt's bees baby, owliva, disana, lanacare

As a consumer and a parent, you want the safest materials surrounding your little one when they are sleeping, but you may be wondering where to start. You have probably heard the buzzwords “certified organic”, non-toxic”, “toxin-free”, or “natural” but what does that mean when it comes to sleep sacks or wearable blankets? And, why does it matter when it comes to a baby’s health? We will discuss: what sleep sack to use, if sleep sacks are safe, why organic matters, what certifications to look for when purchasing a sleep sack for babies; and our favorite organic sleep sacks and where to buy them!

What Sleep Sack to Use

If you are looking for a sleep sack you may notice that there are many different styles to choose from. Below are the main options you may come across:

  • Sleep sack without arms: this is the most common version, it is a sleep sack that looks similar to a tank top on top. This allows you to easily layer based on the temperature where you live and in the room your baby will be sleeping in.
  • Sleep sack with legs: these are wearable blankets or sleepsacks that have cutouts for feet, this is a great option if your little one is standing and/or wants a little bit more free movement.
  • Sleep sack with arms or sleep sack with sleeves: these options are great for colder climates or the winter months in which you are hoping for more coverage. They are a wearable blanket that include long sleeves.
  • Sleep sack for newborns: these are typically lighter weight and come in smaller sizes for that newborn stage.
  • Sleep sack for babies: while these may be made of a similar weight to a newborn version, they tend to be a bit bigger for your growing baby.
  • Sleep sack for toddlers: these sleep sacks fit a typical toddler and typically come in many different weights for you to choose from.

What is a TOG Rating?

Many sleep sacks will state a TOG rating. TOG stands for Thermal Overall Grade. This rating is a measure of thermal insulation used for baby sleep sacks and other bedding items. It indicates how warm a sleep sack will keep a baby and is based on the thickness and weight of the fabric used. The higher the TOG rating, the warmer the sleep sack will be.

This rating also helps parents determine the different clothing or layers of fabric a little one may need to wear to keep cozy while snoozing. My kiddos, for example, almost always have on an organic cotton sleep onesie with their baby sleeping bag.

The TOG rating can help parents choose a sleep sack appropriate for the temperature of the room, ensuring that their baby stays comfortable and safe throughout the night.

Why Organic Cotton or Organic Wool?

Conventional cotton is known as one of the dirtiest crops. We always want to choose organic cotton as traditional cotton is heavily sprayed with pesticides and herbicides, at a rate of about 25 pounds per acre. And cotton accounts for over 50% of all the pesticide use in our country – that’s more than any other crop! Cotton also requires heavy amounts of water to grow; it takes almost one gallon of water to produce just one ounce of cotton fabric.

Organic wool ensures that there is no use of conventional synthetic pesticides used internally, externally, and on pastures and no use of synthetic hormones or medicines used on the sheep, Organic sheep also cannot be dipped in parasiticides/insecticides. Additionally, there is no genetic engineering, all feed, pasture, and bedding is organic, and the sheep must have year-round access to the outdoors ensuring grazing is their primary source of nutrition. 

When choosing organic wool, you are choosing a more natural material without the added chemicals and supporting sustainable farming practices.

Wool has been known to be a fabric that provides better temperature regulation for the whole family. In warmer climates, wool conducts more heat away from your skin and also provides antimicrobial benefits, naturally. 

Certifications to Look For

Oeko Tex Standard 100 is a certification program that establishes and tests limits for harmful substances in textiles. It ensures that all materials used to make the product are free of over 300 specified harmful chemicals, such as lead or formaldehyde. However, it is important to note that Oeko Tex Standard 100-certified products may still contain flame retardants.

As a best practice, it is good to reach out to the company if you have concerns about a specific product. Additionally, if you are interested in checking if a company or item still holds this certification you can search for them on the https://www.oeko-tex.com/en/label-check portion of their website. The Oeko Tex Standard 100 certification covers both organic and non-organic textiles.

GOTS is a certification that has been issued to organic products since 1991. It ensures that the manufacturing process is monitored according to strict environmental criteria as well as social and economic standards. GOTS ensures that any fabric or fiber product bearing its label has been grown and processed organically with respect to both people and the planet starting from growing through manufacturing until disposal/recycling.

GOTS provides two levels to its certification: “made with organic” and “organic”. “Made with organic” textiles comprise at least 70% organic material while “organic” grade textiles are crafted from 95% or more organic fibers. Any of the certified items cannot contain hazardous chemicals or dyes. GOTS is unique in that it also evaluates the entire life of the product including the processing and manufacturing steps an item goes through. If you want to check if a product is GOTS-certified, you can search in the GOTS public database.

Are Sleep Sacks Safe?

Yes! The American Academy of Pediatrics (https://www.aap.org/en/patient-care/safe-sleep/) safe sleep recommendations include “Keep loose blankets, pillows, stuffed toys, bumpers, and other soft items out of the sleep space.” By using a wearable blanket or sleep sack, there are no loose items in the bed with your newborn or baby. This will keep them warm and cozy while also safe!

Sleep Sack Versus Swaddle

A typical swaddle reduces the movement of your baby while they are sleeping. Swaddling is a way of wrapping a blanket around a baby so that they cannot wriggle out of it. They are said to reduce the startle reflex while keeping the baby warm.

A traditional swaddle is made out of fabric such as muslin, bamboo, or cotton, and is stretchy enough to wrap around the baby. Many 2-in-1 swaddles have hit the market that includes velcro, zippers, or snaps that make it easy to place on your baby. You may find these in a version that restricts the movement of arms or may allow for the arms to be free while the rest of the body is wrapped tightly in the fabric.

A wearable blanket or sleep sack is similar to a sleeping bag for your little one. They allow for free movement of arms and legs while providing the warmth and comfort your baby needs. Sleep sacks come in many versions (see above) to meet whatever temperature or style you may be looking for.

Sleep sacks are the perfect option for babies who are rolling over (when the AAP recommends that swaddles should no longer be used.) A huge perk of using a sleep sack from the start is that there will be no period of time in which you have to transition out of the swaddle that your baby may have come to rely on for sleeping.

Sleep sacks also have a bonus of providing easy access for diaper changes as most feature two-way zippers!

Top Picks for Organic Sleep Sacks

While there are many brands out there that carry sleep sacks, there aren’t quite as many that use high-quality natural materials such as organic cotton or wool. Below we have compiled the top options for an organic and non-toxic sleep sack for your baby.

Crunchy & Curious, LLC recommends products that are genuinely loved and well-researched. Many of these links are affiliate. If you end up purchasing through an affiliate link, I may earn a commission (at no extra charge to you.) Commisionable links will be marked with an asterisk*. You can see my full disclaimer, here.

Woolino

Woolino is a family-owned company that offers a range of premium Merino wool baby products, including sleep sacks, clothing, and blankets. Founded in 2010, the company is based in Seattle, Washington.

The Woolino 4 Season Baby Sleep Bag is a top registry pick for a reason! While on the pricier side, these sleep bags are sized to last and the quality cannot be beaten. They are sized to fit babies from 2 months to 2 years old and 10-32 lbs, meaning they can be worn well into the toddler years. They come in two styles: with foot openings and a wearable blanket.

Woolino sleep sacks are made with Australian merino wool which is temperature regulating and organic cotton fabrics that provide additional warmth, when needed.

Not sure which sleep sack option is best for you? Woolino has a great sleep bag quiz!

This is my top pick and we personally have 2 of these!

There is also a smaller size (with feet holes, and sleep blanket style) available for those interested in the 0-18 month size range.

Materials: Merino Wool Lining & GOTS-certified organic cotton outer.

Certifications: GOTs organic cotton & Responsible Wool Standard

Where to Buy: Amazon* | Nordstrom* | Woolino* (use code ANNEM10 for 10% off your order)


Owlivia

Owlivia is a great option for 100% organic cotton sleep sacks! While they may not provide as much warmth or temperature regulation as a wool sleep sack, these are a great option for areas that are a bit more temperature stable. The sleep sacks feature a 2-way zipper, a sleeveless design, and there are many different prints to choose from! Comes in 3-12 months (12-24 lbs, 25-31 in), 12-18 months (22-28 lbs, 30-34 in), 18-24 months (26-36 lbs, 33-38 in).

Materials: GOTs-certified organic cotton

Certifications: GOTs organic cotton

Where to Buy: Amazon* | Owlivia


Touched By Nature

Touched by Nature makes a wonderful 100% organic cotton sleep sack. These sleep sacks are the most budget-friendly on the list, though it is important to note that these sleep sacks do not hold any certifications. They come in a sleeveless design and feature different pastel colors as well as many different adorable prints. These come in sizes 0-6 months, 6-12 months, 12-18 months, and 18-24 months.

Materials: 100% Organic Cotton

Certifications: N/A

Where to Buy: Amazon*


HonestBaby

HonestBaby is a Los Angeles-based company that offers a range of organic and eco-friendly baby products. Established in 2018, the company has quickly gained popularity among parents who prioritize sustainability and natural materials.

Honestbaby’s sleep sack is a standout product, made from 100% GOTS-certified organic cotton. The sleep sack is available in different sizes and comes in a variety of colors and patterns to suit different styles. It features a two-way zipper for easy diaper changes and is designed to keep babies warm without overheating.

Materials: 100% GOTs-certified organic cotton

Certifications: GOTS organic cotton, Worldwide Responsible Accredited Production (WRAP), and Oeko-Tex

Where to Buy: Amazon* | Target* | HonestBaby* ($20 off your first purchase of $100)


CastleWare

CastleWare is a California-based company that offers a range of high-quality and eco-friendly baby clothing and accessories. Established in 2008, the company has been committed to producing natural and sustainable products that prioritize the comfort and safety of babies.

They use GOTs organic cotton, water-based inks, and low-impact, fiber-reactive dyes. Their products are made in the USA and are not treated with any chemical finishes. Keeping to their sustainability efforts they also use compostable garment packaging.

CastleWare has two versions of its popular sleeper bag; sleeveless and long sleeve. Their sleep sacks are made from soft and breathable organic cotton fleece or rib knit. They are available in different sizes to fit babies from newborns to toddlers. The sack features a two-way zipper and a unique design that allows for easy diaper changes without having to remove the entire sack. It also comes in a variety of fun and colorful prints and TOG limits to suit different styles.

Materials: GOTS-certified organic cotton

Certifications: GOTS

Where to Buy: Castleware* (use code CRUNCHY for 10% off your entire order)


Ecolino

Ecolino is a line of Woolino wearable blankets that do not include the wool outer cover and contain only organic cotton. They are a great option for more stable temperatures and younger babies. While the standard Woolino is made to fit your child from a young age to toddlerhood, the Ecolino line comes in sizes 0-6 months, 6-18 months, and 18-36 months.

We own one of these sleep sacks for the very early months and it is a must-have on-hand item for us!

Materials: 100% GOTS Certified Organic Cotton

Certifications: GOTS Certified

Where to Buy: Amazon* | Target* | Woolino* (use code ANNEM10 for 10% off your order)


keadbabies organic sooth sleep sack (white with light gray bear, bunny, racoon, and hedgehog faces)
*image from keababies.com

KeaBabies

Keababies is a family-owned company that specializes in creating practical and stylish baby products. Established in 2017, the company has quickly gained popularity for its high-quality, affordable baby products that cater to the needs of modern parents.

Keababies’ sleep sack is a standout product that has received rave reviews from parents. The sleep sack is made from soft and breathable cotton material that provides a comfortable sleep environment for babies. The sack is designed with adjustable shoulder straps and a two-way zipper, allowing for easy diaper changes and adjustments as your baby grows.

KeaBabies Sooth Sleep Sack only comes in one design but it is a great gender-neutral option and is one of the more affordable options on this list. It is made out of GOTs-certified organic cotton and is sized small to large which fits the 0-24 month age ranges.

Materials: 100% GOTs- Certified Organic Cotton

Certifications: GOTs Certified

Where to Buy: Amazon* | Target* | Kohl’s* | Keababies*


Disana

The Disana organic merino wool sleep sack is a great option for those first precious months with your newborn. The stretchy waistband gently comforts your baby while providing all the warmth and temperature-regulating features of wool. The organic merino wool options come in many muted colors and two sizes to choose from- 0-12 months and 12-24 months.

Disana also makes a boiled wool sleep sack that is a great option for those looking for a wool and cotton option that provides warmth in the winter and the right amount of coziness in the warmer months. It features a long front zipper that makes it super easy for those middle-of-the-night diaper changes or placing your baby in the sleep sack while already asleep. This sleep sack comes in a variety of muted colors and three sizes ranging from newborn to 3 years old.

One thing to note about this sleep sack is that it is hand wash only, though wool tends to not need washing as often as other fabrics such as cotton.

Disana is not available at many retailers as it is a German company.

Materials: Organic Merino Wool & GOTs Certified Organic Cotton

Certifications: GOTs Certified & IVN BEST

Where to Buy: Little Spruce Organics (boiled wool) | Little Spruce Organics (merino wool) | Green Mountain Diapers (boiled wool)


Burt’s Bees Baby

Burt’s Bees Baby is a popular American company that offers a wide range of natural and organic baby products. The company was established in 2007 and has since become a trusted and recognized brand among parents. Burt’s Bees Baby makes many fantastic baby clothing items that are GOTs certified organic cotton.

Their wearable sleep blankets come in many different patterns and are designed to replace blankets in the crib. They come in two weight options- Lightweight 0.5 TOG & Medium weight 1.5 TOG as well as three sizes to choose from- small (0-6 months), medium (6-12 months), and large (12-18 months)

Materials: 100% GOTS Certified Organic Cotton

Certifications: GOTS Certified

Where to Buy: Amazon* | Burt’s Bees Baby* | Target*


Lanacare

Lanacare is a Danish company that specializes in crafting high-quality woolen products for babies, children, and adults. Established in 1991, Lanacare has been dedicated to producing sustainable and natural products that are gentle on both the skin and the environment.

The company’s products are made from organic merino wool, which is carefully sourced from certified organic farms in New Zealand. Lanacare ensures that the wool is ethically produced and free from harsh chemicals, making it an ideal choice for individuals with sensitive skin.

One of the company’s most popular products is its woolen sleep sack for babies. Their Soft Sleeper is designed to keep babies warm and comfortable while also regulating their body temperature, helping them sleep soundly through the night. The sleep sack is made from 100% organic merino wool and is available in different sizes to fit babies from newborns up to 12 months. The sack is hand washed only to maintain its quality and durability over time.

Note: As of Feb 2024 it seems as if Lanacare no longer produces their sleep sacks. They may be available through the links below or on the secondhand market.

Materials: 100% pure organic Merino wool

Certifications: KBT, IVN, & GOTS Certified

Where to Buy: Amazon* | Green Mountain Diapers | Lanacare


Choosing an organic cotton or wool baby sleep sack is the best option for your little one. Not only are they free from harmful chemicals and toxins, but they also provide a comfortable and breathable sleep environment for your baby. By opting for organic materials, you can ensure that your baby’s delicate skin is protected while also supporting environmentally sustainable practices. So, give your baby the gift of a safe and cozy sleep by choosing one of the above sleep sacks today.


Low Toxin Sleep Sacks | Safe Materials & Cozy | Woolino, Castleware, honestbaby, touched by nature, keababies, burt's bees baby, owliva, disana, lanacare
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