Panama Straw Wide Brim Optimo Fedora The Mavis in black is one of our most sophisticated and versatile hats. The Panama straw is woven from natural toquilla straw grown in Ecuador and woven by a single weaver each time, which takes several hours to complete. The straw is then shipped to the US and blocked in the US. The Optimo shape and black Panama straw allow for major versatility - from edgy and fashion-forward looks to classic and sophisticated style. Be you in our #1 most versatile hat. The shape and sizes available are for men and women.