Brimless Baseball cap? To make it short, let's just call it a tactical skullcap from HSGI... "'YAMMI' HSGI's Brimless Tactical Baseball cap . Developed to be worn when a brim interferes with rifle scopes or as used a a helmet liner . This version is a sterile cap with no logo's , but still has loop velcro located front , top and rear for patches . Adjustable elastic adjustment . Made exactly the same as all HSGI's tactical baseball caps with exception of the deleted brim . Made totally in the USA."