Copper Pearl Sleep Sack Karver — Warm & Cozy Baby Sleep Bag (0–24M)

Warmth, safety, and style in one essential sleep sack

The Copper Pearl Sleep Sack Karver is a sleeveless wearable bag designed to replace loose blankets. Crafted with comfort in mind, it layers over your baby’s clothing to provide cozy warmth without excess bulk, making night-time routines simpler for caregivers and calmer for babies.

With a 1.70 TOG rating, this sleep sack aims to hold the right amount of warmth for typical bedroom temperatures, roughly 65–75°F. It’s a versatile pick for year-round use, especially as seasons shift and nights grow cooler or warmer.

Sizing that grows with your baby

Available in four practical sizes—0–6 months, 6–12 months, 12–18 months, and 18–24 months—these sacks are designed to fit snugly while allowing comfortable movement as babies grow.

• Four size options to cover newborn through the second birthday
• Snug fit helps minimize loose fabric during sleep
• Designed to coordinate with Copper Pearl prints for a cohesive nursery look

Comfort and safety you can feel

Three layers of buttery-soft, breathable fabric create a plush texture that feels gentle against skin. The sack is a safe alternative to loose blankets, keeping baby cozy without loose fabric.

• Three-layer fabric offers softness and stretch
• Breathable materials help prevent overheating
• Tag-free neck and a full-length zipper reduce irritation during sleep
• Zippered cover protects delicate skin from the zipper edge

Style that fits your nursery

The Karver design adds modern color and patterns to your baby’s wardrobe, while coordinating with Copper Pearl’s broader line for a polished nursery aesthetic.

• Trendy pattern that pairs with other Copper Pearl essentials
• Sleeveless design for freedom of movement
• Easy changes with a top-to-bottom zipper

Note: While this sleep sack supports a cozy, fuss-free night, results will vary by baby. Use as part of a safe sleep environment and follow any applicable guidelines for your home temperature and routine.