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
Side cap the garrison cap for air officers is light blue, the piping for all other ranks is solid blue. The RAAF is the only branch of the Australian Defence Force entitled to wear the garrison cap. In the Canadian Forces, the field service cap () is defined by the Canadian Forces Dress Instructions as a "cloth folding or 'wedge cap'...Originally designed for wear during field operations and training, it may now also be worn as an undress cap with full and undress uniforms." The cap is worn as part of the undress uniform by students of Royal Military College of Canada,