ClubTest 2017: Callaway GBB Epic Sub Zero driver review

February 7, 2017

CATEGORY: Better Player Drivers

PRICE: $500

WE TESTED: 9° (adjusts 8° to 11°), 10.5° (adjusts 9.5° to 12.5°) with Aldila Rogue Max 65 graphite shaft.

KEY TECHNOLOGY: Two titanium bars connect the crown and sole, increasing flex and speed across a larger area of the face.

Buy It Now for $499.99


Buy It Now for $499.99


One of the longest models in its class; hot across the entire face, including the heel and toe; longer than the previous Sub Zero — it eats up yardage on the course.

“Best combination of distance and control — ever.”


One of the testers’ favorites; shaping fades and draws is a snap — you can call your shot; trajectory can be altered with minimal effort — surprisingly easy to launch high; a few guys smack it off the deck.

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Testers with moderate swing speeds don’t get enough launch and spin with the Sub Zero; numerous adjustability options seem overwhelming to some of our panelists.


The top performer in the Better Player category. Stronger swingers can max out distance with the Sub Zero — it’s surprisingly forgiving and provides all the feel you could possibly want.

See Our Full List of 19 Driver Reviews from ClubTest 2017