aden + anais Baby Sleeping Bag – 100% Cotton Muslin Wearable Swaddle, TOG 1.0, Large (12-18M)

Overview

The aden + anais Baby Sleeping Bag is a 100% cotton muslin wearable blanket designed to be worn over pajamas. It helps create a calm, secure sleep environment by reducing the need for loose blankets in the crib. Lightweight and breathable, this sleep sack supports comfortable, uninterrupted rest for babies and gives caregivers a simple, reliable layer to rely on night after night.

Crafted from two layers of ultra-soft muslin, the fabric feels gentle against tiny skin and allows steady airflow to help prevent overheating. The sleeveless design enhances airflow while keeping little arms warm. With its bottom zipper, diaper changes are quicker and easier without fully undressing the wearer, making late-night routines a touch less disruptive.

Key design features

• Safe and cozy design aimed at reducing loose blankets in the crib
• Two lightweight layers of 100% cotton muslin for breathable comfort
• Sleeveless cut to optimize airflow and regulate temperature
• Bottom zipper for easy diaper changes without removing the entire sleep sack
• Durable muslin weave that feels softer with each wash
• Use over regular sleepwear as a dependable sleep layer

Sizing and fit

• Small: 10-18 lbs, 23 to 28 inches
• Medium: 15-24 lbs, 26 to 31 inches
• Large: 22-28 lbs, 30 to 34 inches
• X-Large: 26-36 lbs, 35 to 37 inches
• Refer to the size chart for precise guidance

Caring for your muslin sleeping bag

Pre-washed fabric is ready to wear, and repeated washes continue to soften the material while preserving its shape. For best results, follow standard care practices and avoid high heat to maintain the integrity of the muslin weave.

Considerations and usage

Designed to be worn over pajamas, this sleep sack can be a practical alternative to loose blankets. While results can vary, many caregivers appreciate the breathable design and roomy sack, which supports comfortable sleep while still allowing room for natural movement.