Design Worth & Worth's exclusive 100% Beaver felt finish. A real workhorse can weather all the element and gets better as it ages. Material 100% Western Beaver Fur Felt Hat sustainably acquired Specifications 100% Western Beaver Fur Felt Hat. 4 1/2" open crown 3 1/2" brim. A handsome towering crown with lengthy brim finished off with a complementary boaters knot. Handcrafted in our NYC atelier. Please allow 6-8 weeks to custom make this special piece.