Made from the highest quality, extra soft bamboo viscose fabric, these baby pajamas are a favorite! Made with a signature buttery soft bamboo/spandex blend that has the perfect amount of stretch and softness. Fabric is a slightly heavier weight to make the pieces last. Two-way zipper design for easy changes, softest and stretchiest fabric, adorable and fun designs, great for littles with sensitive skin, breathable, and temperature regulating. Made with sustainable bamboo.