Our Sleep Sets are created with your littles in mind. They are made out of the softest most breathable, high-quality, bamboo viscose ribbed material. They offer a luxuriously soft touch against the skin, ensuring a peaceful night's sleep or cozy hangs around the house! Our Sleep Sets includes features that set us apart, and created with your on-the-go littles in mind! We added a feature for our busy kids! Our double layer knee and elbow patches provide an extra layer of protection for the crawlers or active kids! 95% Viscose from Bamboo 5% Spandex