Three-layer knit fabric: Provides superior softness and warmth for baby's comfort
Plush fill: Adds extra coziness without the risk of loose blankets
Ultra-soft, stretchy material: Ensures a snug fit and freedom of movement
Tag-free neck: Prevents irritation for sensitive baby skin
Wraparound zipper: Allows easy and quick changes without removing the bag
Summarized by Shop
PREMIUM KNIT FABRIC – Boasting three layers of buttery soft fabric and a cozy, plush fill, our three-layer sleep bags are designed with baby’s comfort in mind. That’s why we created them with ultra-soft, breathable fabric with just the right hint of stretch. You can feel confident that baby will feel cozy and comfortable snuggled in t
Material
Three-layer knit fabric
Thermal Rating
1.70 tog (for 65–75°F room temperature)
Closure
Wraparound zipper
Sizes
0-3 months (28" L x 13" UArmpits x 18" W), 3-6 months (30" L x 14" UArmpits x 19" W), 6-9 months (32" L x 14.5" UArmpits x 20" W), 9-12 months (34" L x 15.5" UArmpits x 21" W)
Color
Blue
Pattern
Solid
Summarized by Shop
4.9
18 ratings
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Blue perfection
I love these copper pearl sleep sacks! They are so soft and give the perfect warmth and space for my little one. This blue color is gorgeous.
E
Erin · May 4, 2026
No regrets I love it!!
I was looking for a better sleep sack for my son to use at daycare. The previous ones I had weren’t soft and too thin. After using it at daycare the first time I was told he loved it and he slept so good. The material is very soft and thick enough to be comfortable and not too heavy. Love it!
B
Brenda · July 30, 2024
Cozy and Soft
We love our Copper Pearl sleep sacks. They hold up well in the wash, and a son loves cozying into it every evening. He just turned 4 months, wears 12 month clothes, and the 6-12 month size still has plenty of room for him to grow.