Sizes Preemie through 6-9 are our Classic (relaxed) fit, while size 9-12 months and up are snug-fitting. 95% Viscose from Bamboo, 5% Spandex Zipper front for easy dressing Feature flip paws to cover cold hands and prevent scratching Inside of the foot is lined with super soft fleece Breathable and absorbent Easy care and machine washable