Beanies, also known as skull caps, are a type of soft, close-fitting hat that is typically made from wool or synthetic materials. They are often worn for warmth and fashion, and come in a variety of colors and styles. The term 'beanies' is derived from the word 'BEAN, ' which refers to the shape of the hat. The crossword solution for beanies is CAPS, which stands for 'close-fitting apparel protection system.'