Songkok
The songkok (Jawi: سوڠکوق) or peci or kopiah (Pegon: كوڤياه) is a Malay close-fitting rimless cap resembling a fez widely worn in Brunei, Indonesia, Malaysia, Singapore, the southern Philippines, southern Thailand and Malay World most commonly among Muslim males. It has the shape of a truncated cone, usually made of black or embroidered felt, cotton or velvet.