HAPIU Bamboo Winter Sleep Sack 2.5 TOG, 6-18M, Fog | YKK 2-Way Zipper

Cozy warmth with bamboo softness

Designed for cooler nights, the HAPIU Sleep Sack uses rayon made from bamboo to deliver a buttery-soft, breathable layer. The 2.5 tog rating places it in a comfortable range for temperatures around 16-20°C (61-68°F), helping many babies feel snug without overheating.

Key benefits at a glance

• Soft, breathable bamboo fabric that’s gentle against delicate skin
• Warmth that suits cool room temps while remaining breathable
• Unisex fog color for easy gifting and versatile use

The wearer's comfort is enhanced by thoughtful construction and a secure fit.

Easy to use and easy to care for

• 2-way YKK zipper with a J-shaped opening can lie flat for easy access or unzip the lower half for quick diaper changes
• Bottom unzips for fast diaper checks, with a zipper garage to protect the chin and cheeks
• Machine washable for busy households; line drying is possible for air-dried convenience

Careful design also helps with laundering; the fabric and fill have been tested for safety, and the materials are selected with sustainability in mind, aligning with the brand’s values.

Roomy and grows with baby

• Extra leg room supports kicking and growth, while a secure fit reduces the chance of the blanket being kicked off
• Reinforced quilting ensures even distribution of the fill to prevent lumps or shifting during night wear
• Available in sizes S, M, L to map to 0-6m, 6-18m, 18-36m

Safety and quality you can reference

Zipper garage protects delicate skin, neck and arm openings are sized with current best-practice in mind, and the product has been tested against 1,000+ substances to help you feel confident in your selection.

Ideal for baby showers and everyday use

The sleep sack’s superior quality and unisex color make it a thoughtful gift for newborns and toddlers alike, covering a broad age range from 0 to 36 months as babies grow.