Don't know much about this company or hat.  Looks mostly unused. Adjustable back, made by KC Caps.

Western Data 1998:

The Dallas and Fort Worth office was established and located originally in Carrollton TX in 1998. The Dallas/Ft Worth store quickly out grew their location and moved to Southlake to better cover the Metroplex area and provide ease of access to customers. The Southlake location offers Sales, Rentals, Service and Support of all your Survey, Mapping/GIS and Building Construction needs.

Bin axa