Other Purposes of the turban include protecting Sikhs' long unshorn hair and keeping it clean. Adherents of Sikhism are required to wear their hair unshorn. According to the Padma Purana the name refers to Krishna's long, beautiful looking unshorn hair. His reply was through his Keshas (Unshorn Hair) blessed by Guru Gobind Singh. The coward and the unwarlike remain unshorn. Generally left unshorn for the winter, the breed is very cold-hardy.