... airborne contaminants, a thin headscarf, kerchief, or bandanna is often worn over the head to keep the hair clean. Over time, this ... Tallit.Young Sikh boys, and sometimes girls often wear a bandanna to cover their hair, before moving onto the turban. Older Sikhs ... Silk Scarves were worn by pilots of closed cockpit aircraft to prevent neck chafing, especially fighter pilots, who were constantly turning ...