Experience comfort and warmth with O2 BABY's organic cotton zip-front sleeper. Featuring a double-layer design, this onsie is perfect for all occasions—whether it's a cozy night in or a sweet sleep story. The soft, breathable fabric is gentle on your baby's skin, while the zipper garage and zipper guard keep their delicate skin safe. Easy to wear with a drawstring on the bottom for a perfect fit."," Made of premium organic cotton for soft, gentle care. The double-layer zip-up design creates extra warmth and reduces overheating. Machine washable in cold water for easy care. Stay organized with drawstrings on the bottom and stay safe with zipper guards. A stylish, comfortable addition to your baby's sleepwear collection.