Copper Pearl Madelyn 0.5 TOG Sleep Bag – 6-12 Months | Sleeveless, Easy-On Baby Sleep Sack

Safer, cozier sleep, without the blanket pull

Meet the Copper Pearl Madelyn Sleep Bag, a plush, three-layer knit sleep sack designed to replace loose blankets and keep little movers snug through the night. Crafted from a premium polyester and rayon blend, the fabric feels silky-soft and gently stretchy, so your baby can wiggle without losing warmth.

Why this sleep bag stands out

Four key features blend comfort with practicality. The three-layer knit fabric delivers softness with just the right amount of give, and the tag-free neck prevents irritation during nighttime feeds or cozy naps. A convenient top-to-bottom zipper makes dressing and diaper changes quick and quiet.

• Three-layer knit fabric for softness, breathability, and subtle stretch
• Tag-free neck to minimize irritation and fuss
• Top-to-bottom zipper for easy on and off
• 0.5 TOG rating provides warmth at typical room temps around 74–78°F

Size, seasonality, and styling

The 6–12 month size offers a roomy fit with a length of about 30 inches, plus shoulder and armpit measurements for a comfortable wrap. The sleeveless design helps layering for year-round use, while modern Copper Pearl prints add a nursery-friendly touch.

• Generous size: about 30" long with 14" armpit width and 19" chest width
• Sleeveless design supports layering across seasons
• Easy-care fabrics with a modern, versatile look that complements nursery décor

How to get the most from this sleep bag

Use this bag as a safer alternative to loose blankets. Pair with the right room temperature and appropriate clothing to keep baby comfortable through the night. The print options let you coordinate with your nursery style, whether you favor calm neutrals or playful patterns.

Note: Copper Pearl sleep bags are available in multiple TOG ratings to suit different climates. This particular bag is designed for warmth at typical room temps; always adjust by room temperature and your baby’s comfort cues.