Copper Pearl Sleep Sack – Warm & Cozy Sleeveless Baby Bag (0–24 Months) | Blitz

Cozy, safe warmth for every season

Meet the Copper Pearl Sleep Sack, a sleeveless baby sleep bag designed to replace loose blankets with a snug, breathable option. With a 1.70 TOG rating, it offers the right amount of warmth for many sleepers in typical room temperatures, so you can feel confident during bedtime routines.

Sizing that grows with your baby

Choose from four sizes—0–6 months, 6–12 months, 12–18 months, and 18–24 months—each designed to keep your little one snug without excess bulk. The dimensions are crafted to suit growing babies so you can use it longer.

Key design features

• Tag-free neck to prevent irritation during sleep.
• Top-to-bottom zipper for quick changes, even in the middle of the night.
• Protective zipper cover to shield delicate skin from metal pulls.
• Three layers of buttery-soft fabric that feel airy yet cozy against skin.
• Breathable material that helps regulate warmth and airflow.
• Trend-ready prints that coordinate with Copper Pearl's broader nursery collection.

Year-round warmth and practical use

At 1.70 TOG, this sleep sack is designed for year-round use, flattering a range of room temperatures—helping your baby stay comfortable without overheating. The sleeveless design keeps arms free for movement and a natural sleep posture.

Care, safety, and gifting

• Designed as a safe alternative to loose blankets, great for baby showers.
• Breathable construction supports a comfortable sleep environment.

Style that fits your nursery

Beyond function, Copper Pearl Sleep Sack elevates nursery style with coordinated prints that pair well with other Copper Pearl products, helping you create a cohesive, adorable space for your little one.