Our collection of newborn long-sleeve onesies are a staple outfit piece for your new arrival's first few weeks. From practical and easy wrapover bodysuit designs to more stylish designs and materials, we have a wide range of options to choose from. Discover bright colorful prints and patterns or stick with neutral tones to match their wardrobe. Layer our long-sleeve rompers with leggings and sweaters. Discover the full range of styles.