4 Season Merino Wool & Organic Cotton Baby Sleep Sack (2-24 Months)

100% Merino Wool Lining & Organic Cotton Outer

• 100% RATED and TOP SELLING: Woolino sleep sacks have been the #1 rated and #1 selling merino wool baby sleep sacks in the US and Canada since 2010, ensuring the best in child comfort.
• Creative Child's 2018 Top Choice of the Year Award & Winner of 2021 Cribsie and Mom's Choice Awards: Your trust in Woolino’s quality is well-justified with these prestigious accolades.

Reduce or Eliminate Sleepless Nights

• SLEEP QUALITY: When baby sleeps better, so do parents. Our sleep sacks have improved the sleep quality of countless babies and their parents.
• MERINO WOOL LINING: Australian merino wool lining is 100% natural and luxuriously soft, providing temperature regulation for year-round comfort.

Premium Fabrics for Best Comfort

• GOTS Certified Organic Cotton Outer: Our outer fabric is made from GOTS certified organic cotton, ensuring the highest standards of softness and quality.

The One and Only Sleep Sack Until Age Two

• UNIVERSAL SIZE: Suits babies from 2 months to 2 years, making it the perfect transition product from infancy to early childhood.
• SEASONAL FLUIDITY: 4-season use—merino wool regulates body temperature, making it suitable for all seasons.

Maximum Versatility

• DOUBLE SHOULDER SNAPS AND TWO-WAY ZIPPER SYSTEM: Easy dressing and diaper changes without fuss.
• CLOSEABLE SEAT-BELT SLOTS: Convenient for transferring between stroller, bouncer, crib, and more.
• UNDER-ARM SNAPS: Allow for easy size adjustments as your baby grows, making it the ideal swaddle transition product.

Premium Quality

• BUY WITH CONFIDENCE: Enjoy peace of mind with Woolino’s US customer service and industry-leading warranty.
• INDUSTRY LEADER: Woolino has been the trusted leader in merino wool baby essentials since 2010, offering unparalleled quality and ease of use.