Callaway reveal new Big Bertha OS irons and hybrids
Written by Simon Daddow on Wednesday 7 September 2016
Callaway’s Big Bertha name when it comes to irons has been synonymous with super forgiving game improvement technology ever since the first BB appeared in 1994. It’s no surprise then the new Big Bertha OS is aimed firmly at the “Super Game Improver”. We’ve heard golf club engineers murmur before about how irons especially those designed for maximum forgiveness are...