Black Diamond Sou Wester Yellow or Black – From the orginal Black Diamond molds, the world ‘s best Sou ‘Wester! This lifetime hat is properly made with vulcanized rubber, fla .I found an old posting saying Black Diamond were out of business. I have one of these flat top souwester and I believe again from the thread, .Zephron, Black Diamond Waterproof Clothing Ltd. Back To Top. Sou ‘Wester Hats – New! Sou ‘Wester Hats #1525: more details ..I am writing to let you know that the _Black Diamond_ black rubber I sure love a great sou ‘wester especially on the kind of cold wet boat we . A fedora / f d r / is a hat with a soft brim and indented crown. It is typically creased lengthwise down the crown and “pinched” near the front on both sides. Fedoras can also be creased with teardrop crowns, diamond crowns, center dents, and others, and the positioning of pinches can vary..History. The use of beret-like headgear by the military of Europe d...