Woolino Merino Wool & Organic Cotton Baby Sleeping Bag | 4-Season Sleep Sack 0-36M

All-season comfort for your baby

Meet the Woolino Merino Wool and Organic Cotton Baby Sleeping Bag, a thoughtfully designed sleep solution that creates a cozy, breathable environment through every season. The silky-soft Australian merino wool lining works with an organic cotton outer to immerse your little one in natural softness, while helping regulate temperature so bedtime feels calm and comfortable.

Designed to grow with your child, this sleep bag comes in three standard sizes (0-6, 6-18, and 18-36 months), helping you cover multiple stages without needing to juggle several TOG ratings. It's suitable for room temperatures around 63-75°F (17-24°C), making it a practical choice for nurseries, travel, or sleeping away from home.

Why choose Woolino for your baby’s sleep

• The breathable merino layer helps create a stable sleep climate, which may support longer, more relaxed nights for both baby and caregivers.
• Premium fabrics combine 100% Australian merino wool lining with a 100% GOTS-certified organic cotton outer for a natural, soft touch.
• All-season design leverages merino’s warmth when it’s chilly and coolness when it’s warm, potentially reducing the need for extra layers.
• Two-way zipper opens from the top and bottom, allowing easy dressing and quick diaper changes; the bag can open flat for simpler handling.
• Zipper guards protect delicate skin, and a nursery thermometer with a dressing guide is included to help you gauge comfort levels.
• Care and safety are supported by machine washability, tumble-dry compatibility, and safety certifications, all packaged in a biodegradable gift box.

Practical details you’ll appreciate

• ZIPPER GUARDS safeguard skin during dressing and play, while the two-way zipper provides flexible access.
• Machine washable and tumble dry friendly, designed for busy parents and frequent use.
• Three growth-friendly sizes help you minimize wardrobe changes while maintaining a consistent sleeping environment.

What you’ll receive and how it helps

Beyond luxurious comfort, the sleep bag arrives in a 100% biodegradable gift box, making it a thoughtful, eco-conscious choice for new parents or gifting occasions.