Planets Bamboo Knotted Beanie HatWarm and cozy, our Bamboo Knotted Hat in the Planets print adds a coordinating accent to your little ones ensemble. Pair our Knotted Hat with our matching Footed Romper or Zipper Pajama or mix and match with other Milkbarn treasures. Bamboo: Created of 100% rayon from bamboo, the lightweight, breathable, and buttery soft qualities of our Knotted Hats naturally comfort sensitive skin.