Unnivoll Fleece Baby Sleep Sack 6-12M | 1.0 Tog Wearable Blanket with 2-Way Zipper

Cozy, Safe Sleep Sack for Growing Babies

Meet the Unnivoll Fleece Baby Sleep Sack, a soft wearable blanket designed for transitional seasons. Crafted from comfortable 100% polyester microfleece, it offers a gentle touch against delicate baby skin while helping create a snug nighttime routine. The sleep sack is CPSC-certified, underscoring a safety-focused approach to infant wearables.

Warmth, Breathability, and Easy Night Changes

This design blends a light 1.0 tog warmth with a plush interior and exterior, delivering a cuddly yet breathable layer. It’s lightweight enough for indoor use and helps wick moisture so your baby stays comfortable through the night. The two-way zipper allows quick diaper changes without fully waking your little one, and a zipper guard at the chin protects sensitive skin from contact with the zipper.

• Ultra-soft microfleece on both sides for a soothing skin-friendly feel
• 1.0 tog rating ideal for indoor temperatures around 68–75°F (20–24°C) in spring and fall
• Premium two-way zipper for fast, quiet diaper changes
• Zipper guard protects the chin from scratches during movements
• Roomy fit that supports kicking and arm movement while keeping warmth contained

Fit, Sizes, and Everyday Convenience

The sleep sack is sold as a two-pack and is available in four size options: S (0–6 months), M (6–12 months), L (12–18 months), and XL (18–24 months). Measure your baby’s height and weight and refer to the size chart to select the best fit.

• Two-pack set for easy rotation and laundry efficiency
• Four size choices to grow with your baby from newborn toward toddlerhood
• Long sleeves offer added warmth and secure arm mobility

Care, Durability, and Everyday Use

These sleep sacks are machine washable and suitable for low-temperature drying, helping busy caregivers keep gear fresh and ready for nightly use. The breathable microfleece combines comfort with practicality for home, nap times, or travel.

In the Box and Visual Appeal

Featuring a grey and white dinosaur print, this sleep sack adds a playful touch to baby sleepwear and pairs well with a variety of nursery styles.