beanie

noun3

1. •
   A cap that fits the head closely, usually knitted from wool.

   • Enrique Iglesias is often seen wearing a beanie.
2. •
   A head-hugging brimless cap, with or without a visor, made from triangular sections of cloth, leather, or silk joined by a button at the crown and seamed together around the sides.
3. •
   (informal) A Beanie Baby, a small soft toy filled with beans or similar stuffing.