Comfort Meets Convenience – Viscose from Bamboo Under Zipper Long Sleeve Onesie Keep your baby cozy day and night with this luxuriously soft sleeper made from our thicker 230gsm blend of 95% viscose from bamboo and 5% spandex. The smooth, breathable fabric is gentle on delicate skin, stretchy for growing babies, and versatile for both boys and girls. The ribbed texture adds structure while still moving with your baby, holding its shape through countless washes. The innovative two-way under zipper design makes diaper changes quick and mess-free, while fold-over mittens and convertible footies provide multiple ways to wear. From playtime to bedtime, this long sleeve romper is a practical, seasonless essential for every parent's toolkit. Available in neutral colors and sizes from Preemie to 18 months, this machine-washable onesie is an everyday staple, registry must-have, and thoughtful baby shower gift.