HALO 100% Cotton Muslin Sleepsack Wearable Blanket – Circles Grey, TOG 0.5, Medium

Overview

Halo SleepSack Circles Grey is a two-layer, 100% cotton muslin wearable blanket designed for warmth, breathability, and ease in nightly routines. With a TOG rating of 0.5, it suits warmer climates or seasons and can be layered with sleepwear when temperatures drop. This model’s trusted heritage includes use in many hospitals, reflecting a long-standing approach to infant sleepwear that combines comfort with practicality.

Why parents choose HALO SleepSack

The SleepSack is a wearable blanket that stays on, reducing the need for loose coverings that can come off during sleep. Its hip-healthy design is officially recognized by the International Hip Dysplasia Institute, signaling attention to comfortable positioning as babies grow. An inverted zipper opens from the bottom for diaper changes, while the neckline zipper cover protects delicate skin. Sleeveless construction helps minimize overheating, and the arm and neck openings are sized for a safer, snug fit.

• Wearable blanket design keeps baby cozy all night and prevents blanket kicks.
• Two lightweight layers of 100% cotton muslin provide breathable warmth without bulk.
• Bottom zipper simplifies diaper changes and reduces nighttime awakenings.
• Hip-healthy, IHDI-recognized design supports comfortable hip positioning.
• Sleeveless cut and properly sized arm/neck openings promote safe wear and airflow.
• 100% cotton is gentle on skin and machine washable for easy care.

Seasonal versatility and sizing

With a TOG of 0.5, this Sleepsack works well on warmer nights and can be layered with sleepwear for cooler evenings. The Medium size is designed for babies weighing 16–24 pounds (roughly 6–12 months) and typically measuring 26–30 inches long, offering a comfortable window of use as your baby grows.

• TOG 0.5 makes it a breathable option for warm climates or seasons.
• Layer with additional sleepwear when temperatures drop to adjust warmth.
• Sizing accommodates a typical growth window for infants in the 16–24 lb range.

Care and longevity

Made from breathable cotton muslin, the HALO SleepSack feels soft against sensitive skin and maintains a light, airy feel. It is machine washable, designed for repeated use, and many families reuse premium SleepSacks for younger siblings.