Calpack, Calpac, Kalpac, Kalpak, or Qalpaq (from kalpak kaɫˈpak; қалпақ, Bulgarian: калпак, калпак, both qɑlpɑ́q), Greek: Καλπάκι (Kalpaki) is a high-crowned cap (usually made of felt or sheepskin) worn by men in Turkey, the Balkans and throughout Central Asia and the Caucasus. The kalpak is used to keep the head warm...