lulumoon Sleep Sack Muslin for Baby 3-9 & 6-12 Months – Lightweight Cotton Wearable Blanket

lulumoon Sleep Sack Muslin: All-Season Comfort in a Wearable Blanket

Meet a cozy, breathable wearable blanket designed for infants and parents alike. Made with double-layer Muslin, this sleep sack combines a solid exterior with a twig-pattern interior to create a soft cocoon that feels gentle against baby skin while encouraging airflow for year-round comfort.

Year-Round Comfort in a Double Layer

The two-layer Muslin design offers a balanced blend of warmth and breathability. The fabric's natural drape and air movement help maintain a cozy embrace during naps and night care, adapts to different room temperatures, and stays gentle on delicate skin.

Effortless Diaper Changes

• Two-way YKK zipper enables quick, quiet diaper changes without fully undressing your baby.
• Shoulder snaps simplify dressing and undressing, helping you attend to baby’s needs with minimal disruption.

Roomy Bottom, Safe Movement

The S-size bottom is extra-wide to accommodate leg movement and exploration while keeping baby snug during rest. The soft weight of the Muslin adds gentle drape without bulk, so fidgeting stays comfortable.

• Soft, lightweight muslin supports gentle movement.
• Overall fit balances coziness with freedom to explore.

Temperature Control for Year-Round Use

With a 0.7 TOG rating, this sleep sack helps maintain comfortable warmth in varying home climates. The breathable Muslin fabric allows air to circulate, reducing overheating risk and keeping baby comfortable.

Versatile Everyday Use

From quiet nursery time to cozy lounge sessions, this sleep sack pairs well with other baby essentials. Neutral styling adapts to different spaces and gear setups, making it a simple addition to your routine.

Sizing & Fit

Designed for 3-9 months (Size S) with an extra-wide bottom. This cut is intended to support gentle movement as babies grow over the season.

Care & Durability

Machine washable and built to hold softness wash after wash. The simple design keeps color and texture intact, ensuring long-lasting comfort.

• Machine washable, maintaining softness and shape.
• Neutral hues pair with nursery décor for easy coordination.