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Made with super-soft merino wool, the Woolino 4 Season Baby Sleep Bag will help keep your baby at a perfect temperature all year round. That means there’s no need to worry about which sleep sack to use, or whether your baby will be too hot or cold while sleeping – they’ll always be just right!
Features of the Classic Sleep Bag 

One sleep sack for all 4 seasons. The 4 Season Classic Bag is 100% natural, moisture-wicking, temperature regulating, easy care, and an excellent value – it keeps your baby comfy in all 4 seasons (saves you money). It ensures safer and better sleep for your baby year-round and peace of mind for you.
Perfect comfort for better sleep. Naturally. 
The Magic of Merino
Because of merino wool’s unique ability to regulate body temperature, it helps keep your baby warm when it’s cold and cool when it’s hot. That temperature regulation means that your child will sleep comfortably throughout the night, year-round – and that means a better night’s sleep for you too.

Better and Longer Sleep
A study done by the University of Sydney has found that a better night’s sleep is achieved when sleeping in wool. Merino wool is the perfect fiber to have next to your child’s sensitive skin. It regulates temperature, manages moisture, is easy to care for, soft, and durable. It is naturally perfect.

Woolino 4 Season Sleep Sacks – made with merino wool and organic cotton
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Customer Reviews
4.7 out of 5 stars 827
4.7 out of 5 stars 4,020
4.7 out of 5 stars 1,173
4.7 out of 5 stars 809
4.2 out of 5 stars 24
Price
$93.00$93.00
$109.00$109.00
$129.00$129.00
$109.00$109.00
$93.00$93.00
Fabric
Merino Wool & Organic Cotton
Merino Wool & Organic Cotton
Merino Wool & Organic Cotton
Merino Wool & Organic Cotton
Merino Wool & Organic Cotton
Size
0-6 m, 6-18 m, 18-36 m
2 – 24 Months
2 – 4 Years
0-6 m, 6-18 m, 18-36 m, 3-4T
4 – 6 Years
Underarm Snaps to Adjust Fit
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Shoulder Snaps
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Safety-Belt Slots for Travel
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2-Way Zipper
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Replaces Loose Blankets in Bed
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4-Season Use
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100% Merino Wool Lining / 100% Organic Cotton Outer
Imported
REDUCE OR ELIMINATE SLEEPLESS NIGHTS – When baby sleeps better, so do parents. Made with ultra-soft, breathable merino wool, this sleep bag provides ultimate comfort for deeper, longer sleep – so everyone enjoys more restful nights
PREMIUM FABRICS for best comfort – 100% Australian merino wool lining – all natural, luxuriously soft, and temperature regulating. 100% GOTS certified organic cotton outer. Machine-washable
CAN BE USED IN ALL 4 SEASONS as optimal merino wool lining regulates body temperature unlike any other fiber, helping keep baby warm when it’s cold, and cool when it’s warm. Use over regular sleepwear to take the place of loose blankets
CLASSIC NO-SNAP DESIGN with a TWO-WAY ZIPPER that unzips from top and bottom for easy dressing and quick diaper changes. Opens flat. ZIPPER GUARDS to protect child’s skin. NURSERY THERMOMETER and dressing guide included. Generously sized for comfort
PREMIUM QUALITY – Buy with confidence from Woolino, a trusted US company, offering US customer service and industry leading warranty for your peace of mind. The industry leader in merino wool baby essentials since 2010
13 reviews for Woolino Merino Wool and Organic Cotton Baby Sleeping Bag – 4 Season Classic Sleep Sack – Two-Way Zipper Sleep Bag for Baby and Toddler – 0-6 Months – Panda
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