Kangol 504 Black Tropic CapVenerated as a timeless favorite by the Kangol brand, the Tropic 504 is an ivy cap boasting a 2 brim and a seamless, knitted, and blocked construction for a lightweight and comfortable fit using our signature Tropic yarn. In our collection since the 1970s, it stays true to its origins with its namesake derived from the identifying number of the original block shape used in its creation. Ivy cap & flat cap shape Polyester blend Unlined Tropic fabric