Callaway epic golf irons epic by name epic by nature the new offering from callaway epic irons callaways most innovative irons and the most technologically advanced clubs ever produced when designing the epic irons dr alan hocknell svp gave the directive that there would be no boundaries and no restrictions on any part of the epic iron creation more research and development has been put into epic irons than any other clubs ever produced by callaway over 70 engineers have been invol