Double Layer Sleep Sack in Salt Air

Meet Cosoco's Best Selling Signature Sleep Sack—a super-soft, wearable blanket designed for comfort, security, and easy diaper changes. With temperature regulation and worry-free comfort, it’s the key to better, longer sleep for your little one.

• J-shaped YKK Double Zipper: Allows for hassle-free diaper changes without waking your baby.
• TENCEL™ Modal Fabric: Ultra-soft, anti-bacterial, and hypoallergenic—perfect for sensitive or eczema-prone skin.
• Thoughtful Design: Spacious leg room and sleeveless to prevent overheating.
• Thermal Regulation: Maintains a consistent temperature, cooling in warmth and warming in cold, preventing sleep disruptions.
• Safe Sleep Environment: Designed to help reduce the risk of SIDS

As all babies are different, choose size based on weight & height over recommended age. We don't recommend sizing up!

Small: 6-9 kg | 75 cm 
Recommended for 6-18 months

Medium: 8-13 kg | 90 cm 
Recommended for 1-2Y 

Large: 12-19kg | 105 cm
Recommended for 2-3Y

Single Layer Sleepsack (0.3 TOG)

•  A lightweight sleepsack; best for hot sleepers & daytime naps!
• Room temperature of 24°C+

Double layer sleepsack (0.5 TOG) 

• An extra layer of warmth
• Best for nighttime sleep, colder AC rooms & cooler weather.
• Room temperature: 22° - 25° C+
• Perfect for different climates & travel!

95% TENCEL™ Modal + 5% Spandex 

• Wash inside out on Gentle Wash Cold
• Do not bleach
• Do not tumble dry
• Iron on medium