Borsalino Hats Borsalino felt hats, Borsalino panama hats and Borsalino berets are available at Mrs Dewson's Hats. Borsalino hats have been manufactured in Alessandria, Italy since 1857. Giuseppe Borsalino, the Company founder developed from a 14 year old boy working in a hat factory to one of the most important Italian industrialists of the nineteenth century. The Borsalino hat factory continues to be located in Alessandria. The underlying style and craftsmanship that have symbolized Borsalino Hats since its founding remain unchanged.