Woolino 4-Season Toddler Sleeping Sack – Merino Wool + Organic Cotton (2-4y)

Meet the Woolino 4 Season Toddler Sleeping Sack, a versatile sleep solution for children aged 2 to 4 years. The inner lining features Australian merino wool, a natural and soft fabric that breathes with your child while helping regulate comfort through changing nights and seasons. The outer shell uses GOTS certified organic cotton, delivering a durable, gentle surface your toddler can trust. Together, these materials offer warmth, breathability, and a light, cozy feel that adapts as your child grows. The sack is machine washable for quick refreshes between naps and night routines, a practical detail for busy families.

Care and convenience go hand in hand with this wearable blanket. Merino wool naturally breathes and wicks moisture, supporting a steady microclimate without overheating. The organic cotton outer is soft to touch and resilient for repeated washing. Since the sack is designed to be worn like a loose sleeping bag, it provides freedom of movement while staying securely in place through the night.

Premium fabrics and care

Key materials and care details that matter to parents:

• All season warmth from the breathable merino wool lining
• Soft, durable GOTS organic cotton outer
• Machine washable for easy cleaning and quick turnarounds

A flexible design that grows with your child

The Woolino sleeping sack is designed for growth and convenience. A full length inverted two way side zipper allows fast dressing and diaper changes. Shoulder snaps and under arm snaps help the garment adapt as your toddler grows. A closable seat belt slot ensures easy transfers from stroller or bouncer to crib without removing the sack.

• Full length two way zipper for swift dressing and changes
• Shoulder snaps for adjustable fit and easy on/off
• Under-arm snaps that support growth and mobility
• Closable seat belt slots for seamless stroller to crib transfers

Practical use and comfort

Whether at home, in a hotel, or on a family trip, this sleeping sack aims to simplify transfers between crib, stroller, and bed. The seasonless design allows layering with the right clothing and room temperature, so your child can feel comfortable without bulky blankets. The lightweight, breathable construction is gentle on sensitive skin and designed for everyday wear.

With a focus on ease and reliability, the Woolino sack is a practical choice for families who want a simple sleep solution that travels well, washes easily, and supports a calm bedtime routine.

Warranty and support

Woolino backs this product with an industry leading warranty and US based customer service, giving you dependable support and service if needed.