Woolino 4 Season Baby Sleep Sack

The Woolino 4 Season Ultimate Sleep Bag is the perfect choice for your baby's comfort and sleep. Crafted with premium materials, including a 100% natural and luxuriously soft Australian merino wool lining and GOTS certified organic cotton outer, this sleep sack provides unparalleled temperature regulation for a comfortable sleep in any season.

One universal size, from 2 months to 2 years, ensures this wearable blanket will grow with your child, eliminating the need to purchase multiple sleep sacks of different sizes and weights. The underarm snaps allow for easy adjustments as your baby grows, making this the only sleep sack you'll need until your little one turns two.

Merino wool's exceptional ability to regulate body temperature means your baby will stay warm when it's cold and cool when it's hot, resulting in better and longer sleep for both your child and you. In fact, a study by the University of Sydney has found that a better night's sleep is achieved when sleeping in wool.

Designed with maximum versatility in mind, the Woolino 4 Season Ultimate Sleep Bag features a double shoulder snap system and a two-way zipper for easy dressing and diaper changes. Closable seat-belt slots also make it easy to transfer your baby between stroller, bouncer, crib, and more.

Backed by a trusted US company, Woolino, and offering industry-leading customer service and warranty, you can buy with confidence. The Woolino 4 Season Ultimate Sleep Bag has been the #1 rated and best-selling merino wool baby sleep sack in the US and Canada since 2010, and has been recognized with prestigious awards, including the Creative Child's 2018 Top Choice of the Year and the 2021 Cribsie and Mom's Choice Awards.

Elevate your baby's sleep experience with the Woolino 4 Season Ultimate Sleep Bag. Crafted with premium materials, designed for 4-season comfort, and built to grow with your child, this wearable blanket is the perfect solution to reduce or eliminate sleepless nights. Invest in your baby's sleep and your own with the industry-leading merino wool sleep sack from Woolino.

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