SwaddleDesigns Transitional Swaddle Sack – Arms Up, 0-3 Months, 6-14 lb, Tiny Arrows

Bridge the sleep transition with gentle comfort

The SwaddleDesigns Transitional Swaddle Sack is purpose-built to ease babies from traditional swaddling into a wearable blanket. Crafted in soft 100% cotton with a breathable TOG 0.5, this small, snug sack supports a secure, cozy feel without over-tightening. The Tiny Arrows pattern adds a touch of visual charm for curious little eyes during nighttime routines.

What makes it kid-friendly and practical

The design centers on a two-way zipper and half-length sleeves that give caregivers versatile ways to support baby’s sleep needs while preserving natural movement. Arm-up posture often aligns with how some babies like to rest, and the partial mitten cuffs offer flexibility for comfort and safety without sacrificing access to little hands.

• arms-up positioning can help some babies settle more easily.
• Partial sleeve design: 1/2-length sleeves with foldover cuffs provide a snug, secure feel while allowing hand access when needed.
• Safer transition mechanics: rolled-over positions can still use arms to assist breathing air flow, encouraging safer sleep movements.
• Hip-friendly and secure fit: not a tight wrap, designed to support natural hip flexion and body rhythm.
• Easy diaper changes: 2-way zipper zips from top for entering, and from bottom for quick access during changes.
• Durable care: machine wash warm and tumble dry low; built to stand up to nightly use.

Who benefits from this transition wear

Ideal for babies who prefer arms up, are starting to rollover, or tend to break out of a traditional swaddle. The Transitional Swaddle Sack evolves with your baby’s movement, offering a secure feel as little one grows and explores new sleep postures.

Fabric and fit details—100% cotton with a soft, stretchy texture, designed for breathability and everyday comfort. The weight guidance aligns with typical newborn weight ranges, and the snug yet flexible cut helps babies feel secure without restricting natural motion.

Care and sizing at a glance

• TOG 0.5, breathable for warmer nights
• Care: machine wash warm, tumble dry low
• Sizing: use weight to select size (S 6-14 lb, 0-3 mo; M 14-21 lb, 3-6 mo; L 21-24 lb, 6-9 mo)
• Designed by a nurse and protected by safety-focused patents

With the SwaddleDesigns Transitional Swaddle Sack, you gain a practical, soothing sleep option that prioritizes comfort, ease of use, and a gentle approach to the newborn-to-baby sleep transition.