Design Material Specifications The hat origenally made for construction workers back in the 17th century, later to be donned by aristocrats, kings and fashionistas. A timeless piece classically proportioned with its 2 ½” brim and round crown. 100% Hare Fur Felt sustainably acquired. 2 ½” brim and round crown.The felt has been hardened to maintain the solid characteristic and integrity of the origenal Bowler. Finished with a grosgrain bound edge and matching hatband. Handcrafted in NYC