Unnivoll Baby Sleep Sack 6-12 Months | 0.5 TOG, 100% Cotton, 2-Way Zipper – Green Pine Tree

Unnivoll Baby Sleep Sack: Lightweight Comfort for 6–12 Months

Meet the Unnivoll baby sleep sack, a lightweight wearable blanket designed for babies in the 6–12 month range. It uses 100% combed cotton with a 0.5 TOG rating, delivering a soft, breathable layer that performs well in nursery temperatures around 75°F and warmer. The distinctive green pine tree print adds a playful touch while staying gentle on tiny sleepers.

Safety and materials matter. The sleep sack is crafted from premium cotton and fitted with a durable zipper, and it’s certified to meet Consumer Product Safety Commission (CPSC) guidelines. This combination aims to create a calmer sleeping environment for your baby and peace of mind for you.

• 100% combed cotton with enhanced comfort and breathability (about 30% improvement over standard cotton blends)
• Pre-washed to reduce shrinkage by about 50%, helping it maintain shape after washing
• Zipper guard protects delicate skin and prevents chin rub during movement

Designed for easy diapering and all-night turns

The 2-way zipper runs from top to bottom, making diaper changes smoother, even at night. The sleeveless design promotes free arm movement and helps prevent overheating while keeping your baby warm and cozy.

• 2-way zipper for quick changes without fully undressing
• Sleeveless cut reduces heat buildup while preserving warmth
• Roomy hip area supports natural movement and hip development

Growth-ready, adaptable, and machine-friendly

This sleep sack grows with your baby. Available in four sizes to fit infants from roughly 0 to 24 months, so a single sleep sack can cover several stages of early growth.

• Four size options: 0–6, 6–12, 12–18, 18–24 months
• Roomy hip area supports movement and hip development
• Lightweight and travel-friendly for naps at home or on the go

Care you can count on

With pre-washed cotton and low-temperature care guidance, the fabric stays comfortable and resists distortion over time. The 0.5 TOG rating balances warmth and airflow for a nursery around 75°F or higher, and the fabric is machine washable and can be dried at low temperatures for busy parents.

Unnivoll prioritizes safety, comfort, and practical convenience. While results vary, many families find this sleep sack helpful for a simple, gentle bedtime routine that minimizes disruptions.