Oh Bother, It's Bedtime Romper95% viscose from bamboo 5% spandex for silky soft comfort and stretch Breathable, moisture wicking, and naturally hypoallergenic Dual direction zipper for quick, hassle free diaper changes Protective zipper guard to prevent skin irritation Fold over mittens on all sizes to keep tiny hands warm and prevent scratches Convertible footies allow easy switch between footed and footless Grippy soles on sizes 6M+ to support early walkers Tag free neckline for