Product Highlights

• #1 RATED & AWARD-WINNING – Best-selling merino wool sleep sack in North America since 2010. Honored with the Creative Child Top Choice, Cribsie Award, and Mom’s Choice Awards for safety, innovation, and comfort
• SAFER AND BETTER SLEEP - Premium natural fabrics: 100% Australian merino wool lining, GOTS certified organic cotton outer. Luxuriously soft, temperature-regulating merino wool helps prevent overheating and chills, reducing wake-ups and supporting deeper, longer sleep for babies. Best sleep sack for cold nights, warm rooms, and fluctuating nursery temperatures
• UNIVERSAL SIZE and YEAR-ROUND USE - One sleep sack fits babies from 2 months to 2 years. Merino wool regulates body temperature so it can be used in all four seasons. The 4 Season sleep sack is the only sleep bag your baby will need
• MAXIMUM VERSATILITY - Double shoulder snaps and two-way zipper for easy dressing and easy diaper changes; Seat-belt slots allow EASY TRANSFER from crib to stroller or car seat. Under-arm snaps allow this wearable blanket to grow with your baby and make it an effective swaddle transition product
• TRUSTED QUALITY and Service - Buy with confidence from Woolino, a trusted US company, offering US customer service and industry leading warranty for your peace of mind. 100% NATURAL & SAFE MATERIALS – fully OekoTex100 certified (23.HUS.59156) product