Signature Sleep Sack in Safari

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

Exchange Policy: For Wearable blankets (Sleep Sacks, Sleepwalker & Instant Swaddle), we don't recommend sizing up. Please check the sizing chart as we will NOT be accepting any returns or exchanges unless an item is incorrectly sent or defect product. All exchanges items must be in the unwashed, unworn & still in its original packaging (tags included).

Disclaimer: Please allow ±2cm difference due to manual measurement. Due to monitor and browser variations, colors may appear different. By purchasing, you agree to these terms, and no returns are accepted for color or size differences.