Taqiyah (cap) worn in India, Bangladesh, Pakistan, and other regions of South Asia. Many different types of topi caps include the Sindhi cap, worn in Sindh, and the crochet topi that is often worn at Muslim prayer services (see salat). The topi cap is often worn with salwar kameez, which is the national costume of Pakistan. "Taqiyah" is the Arabic word for a Muslim skullcap which is derived from (), means a ""dome"". This concept is taken from the Jewish traditions as the cap "kippah" () literally means a ""dome"" ( "Qubba") as well, and whoever wears this dome acknowledges the constant
Peaked cap called a crusher cap, due to its slouched and worn "crushed" appearance. Such modified caps were especially popular among US Army Air Forces combat pilots and German tank commanders and submariners in the Second World War. Peaked cap A peaked cap, forage cap, barracks cover or combination cap is a form of headgear worn by the armed forces of many nations, as well as many uniformed civilian organisations such as law enforcement agencies and fire departments. It derives its name from its short visor (American English, known as a peak in British English), which was historically made of polished leather