Callaway X Hot Package Set 12PCCallaway X Hot Package Set The hot series that defined an era is now available as a package set. Callaway's package sets are always hugely popular, but a new product is about to be released that promises to garner even more attention than ever before. The 2013 smash hit, the X HOT series, with its memorable catchphrase, is now available as an improved package set, complete with a luxurious and stylish golf bag. The lineup features 10 clubs that