Knirose Transitional Swaddle Sack with Arms Up – Wearable Cotton Sleep Sack (3-6 Months)

Comfortable, arms-up transitional design for growing babies

The Knirose Transitional Swaddle Sack with Arms Up is crafted for infants from newborns through the 3- to 6-month window when arms-up sleep becomes appealing or when little movers start to roll. Rather than a tight wrap or a loose sack, this wearable blanket provides a snug, womb-like feel that many babies respond to with calmer settling. It’s a thoughtful, gradual path from traditional swaddling toward a secure, movable sleep blanket, designed to fit into busy nights without compromising baby comfort.

Sleeve design and mitten cuffs

The sleeves are uniquely shaped and end in fold-over mitten cuffs. When worn closed, they offer partial suppression of the Startle Reflex and help keep tiny hands away from the face for gentle, supervised sleep. If your baby rolls or pushes up, the design still allows air access and head movement so your infant can reposition comfortably and safely.

Two-way zipper for easier diaper changes

A soft two-way zipper runs from the side to the bottom, making diaper changes quicker and quieter in the night. The breathable cotton knit fabric remains gentle against delicate skin, reducing disturbance during late-night routines.

From swaddling to a wearable blanket

This transition piece isn’t a tight swaddle or a loose sack. It’s a snug, secure-feeling wearable blanket that mimics the comforting sensation of being held, helping your baby settle through sleep cycles. The arms-up configuration gives tiny hands the freedom to explore while maintaining a reassuring, contained feel.

Fabric and care

Made from soft, breathable cotton knit, the Transitional Swaddle Sack stays comfortable across varying night temperatures. The fabric’s gentle stretch accommodates movement without feeling restrictive, and it’s easy to wash and maintain between uses.

• Arms-up design is ideal for babies who prefer to sleep with hands near the face.
• Mitten cuffs protect from facial scratches and support adjustable comfort.
• Two-way zipper enables quick, quiet diaper changes.
• Breathable cotton knit delivers a cozy, secure sleep experience.

• How to use: Place baby with arms up, adjust cuffs open or closed, then zip up snugly.
• Care tips: Wash cold, tumble low, avoid high heat to preserve fabric softness.

With Knirose, you’re choosing a thoughtful, practical solution for busy nights. The Transitional Swaddle Sack offers possibilities for calmer nights, smoother diaper changes, and a gentle step toward longer sleep stretches—always prioritizing your baby’s comfort and safety. As with all infant sleep products, observe your child’s cues and adjust as needed to suit your family’s routine.