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Callaway Men's GBB Epic Sub Zero Drivers

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Callaway Men's GBB Epic Sub Zero Driver

Jailbreak Technology Unleashing Faster Ball Speeds

As a company, Callaway seemingly has produced great drivers year after year, but with the advent of Jailbreak Technology, the new GBB Epic drivers, both the standard Epic and the Sub Zero model, have exceeded all others in terms of buzz and excitement. The primary reason for that has been the sizeable increases that Callaway has seen in ball speeds during testing. Keying those increases is Jailbreak Technology, which utilizes two titanium rods within the construction of both Epic drivers that connect the crown and sole to keep the clubface from expanding and losing energy transfer at impact. Also of note, the Epic drivers feature an extremely low, deep CG placement that was enabled by the use of lightweight triaxial carbon in the design and the result is high launch, low spin, and increased MOI. Additionally, a Speed Step on the crown reduces air drag during the swing to help increase swing speed. Both GBB Epic models are 460cc but the Sub Zero has two weight ports in the sole that allow a 12-gram and two-gram weight to be positioned to influence launch and spin rate. With the heavier weight in the forward position, spin rates will drop significantly, while positioning the heavier weight in the back will increase launch and maximize MOI. From an appearance standpoint, the Sub Zero also has a slightly deeper profile, and it has been designed as a lower-spinning head but without sacrificing forgiveness, as its MOI is comparable to the standard Epic. Callaway is also again utilizing its OptiFit hosel, which allows players to adjust loft by +2/-1 degrees and additional draw settings are also available. The GBB Epic Sub Zero driver is available in standard lofts of 9 and 10.5 degrees, it comes at a stock length of 45.5 inches, the swing weight is D4, and custom paintfill options are are also available. It also features stock shaft offerings from Project X, Fujikura, and Aldila in varying weight classes, flexes and launch/spin profiles to suit the needs of any player (see shaft chart below for more details).


Stock Shafts Project X HZRDUS T800, Fujikura Pro Green, Aldila Rogue Max
Stock Grip Golf Pride New Decade Multi-Compound, black/grey/green
Adjustability +2/-1 ° of loft adjustability
Click the Enter Custom Specs tab above for custom shaft & grip options

Ideal For:

Players of all ability levels who need help in reducing their spin rates. Yes, this is a low-spinning head and typically low-spin heads have been reserved for high swing speed players and lower handicappers. But that’s not the case with the GBB Epic Sub Zero driver. It will certainly benefit a high swing speed player, but the Epic Sub Zero is so forgiving that it will also benefit an average player who spins the ball too much because they have an angle of attack that’s too steep. For those who don’t need help with their spin rate but need assistance when it comes to shot-shaping, the standard GBB Epic might be a better choice.

Callaway GBB Epic Drivers with TGW

Watch as TGW talks about the new Callaway GBB Epic Drivers.

Jailbreak Technology

Titanium rods connecting the crown and the sole prevent a loss of energy at impact for higher ball speeds from across the clubface.

Exo-Cage Construction

A titanium cage surrounded by lightweight triaxial carbon enables a low, deep CG placement for high launch, low spin, and max forgiveness.

Interchangeable Sole Weights

Players can adjust their launch angle and spin rate as needed depending on where they position 12- and two-gram weights in the sole.

Aerodynamic Speed Step

Callaway’s proprietary Speed Step on the crown reduces drag to help players effortlessly produce more swing speed.

What They're Saying ...

“It’s the fastest driver that we’ve ever made. We had tremendous success with XR 16 but (Epic) blows that out of the water. We’ve never seen ball speeds like this.”

Dave Neville, Callaway Senior Director of Brand Management

“We’re calling it the Sub Zero because the CG is on the (neutral) line, but this is not your father’s pro-style driver. It has the same MOI as the standard Epic, but it’s still very low-spinning at about 500 RPM less. It’s not one that amateurs can’t hit.”

Dave Neville, Callaway Senior Director of Brand Management

“If you need shot shape correction, meaning left or right, the standard Epic is going to work for a lot of players. But if you’re someone who needs trajectory control, whether it’s up or down, the Sub Zero could be a great fit.”

Dave Neville, Callaway Senior Director of Brand Management

“There’s been a lot of talk that this club is going to be a game-changer for people, and having hit it, you can’t argue with that. The kind of numbers we saw in terms of increases in ball speed were really significant.”

Chris Wallace, TGW staff writer

Callaway GBB Epic Sub Zero Driver Shaft Information
Project X HZRDUS T800 55
Flex Weight Torque Launch
Light/Senior 56.5g High Mid
Regular 57.5g Mid-to-high Mid
Stiff 58g Mid-to-high Mid
Fujikura Pro Green 62
Flex Weight Torque Launch
Regular 65g Low-to-mid Mid
Stiff 66g Low-to-mid Mid
Extra Stiff 67g Low-to-mid Mid
Aldila Rogue Max 65
Flex Weight Torque Launch
Regular 65g Mid Low-to-mid
Stiff 66g Low-to-mid Low-to-mid
Aldila Rogue Max 75
Flex Weight Torque Launch
Regular 71g Mid Low-to-mid
Stiff 74.5g Low-to-mid Low
Extra Stiff 75.5g Low Low
Callaway Men's GBB Epic Sub Zero Drivers is rated 4.3 out of 5 by 30.
Rated 5 out of 5 by from Callaway Sub Zero with Rogue Max 65 G shaft, stiff Very consistent ball speeds with this club, similar distance as my XR pro when both are hit in the middle of the club; however, subzero is much longer on slight mis hits, and my fairways hit per round have greatly improved.
Date published: 2017-08-21
Rated 5 out of 5 by from Seldom do products deliver as promised. I am not disappointed with this driver. If I could only get my friends to let me hit it once in a while Solid feel, added distance. Adjustable if I need it.
Date published: 2017-08-17
Rated 5 out of 5 by from Dare I say it's EPIC? Get past the name! Ok first off, the name alone is enough to not want to buy this driver. That is until you hit it. I have never had much luck with Callaway Drivers. I owned the RZR Hawk and hated it and the Big Bertha Alpha experiment ended with no joy. So I have been using a PING i25 driver for the last 4 years. Really liked it. Every year the manufacturers come out and say you get 10-15 more yards so by now we all should be hitting over 350 YDS. I never found a driver that could out perform the i25 as much as I have tried. That is until this came out. I hit them all in my own personal driver test: M1, M2, JPX 900, 917 D2 and 3, blah blah blah. Then I hit the subzero. I do not know if hitting the subzero tainted my view on the epic but the Epic did not feel as solid to me and my numbers on the monitor were not as good. So I went deep in the pocket ($500 is ridiculous) and I got the subzero with Fujikura Green Stiff. I actually got at least 20 more yards of carry further than my Ping. Plus I actually get some better roll out. I do notice there is a more forward back dispersion but my back shots are what my great Ping shots were and my forward shots can be almost 25 yards further. I went from averaging about 240 to about 260 with an occasional 280 in there. Un real. It does not have racing stripes but it is still a gorgeous club and even more gorgeous in the bag walking past my buddies drives. Cannot say enough good about this driver. So get past the name and price and go hit this beast. Trust me, you will bag it for certain!
Date published: 2017-08-15
Rated 5 out of 5 by from the ball explodes off the club face the ball explodes off the club face, 30 yards long then my xr16 pro. unbelievable how good this club is..
Date published: 2017-08-12
Rated 2 out of 5 by from Just Sent It Back. I bought this driver with the Project X Hzrdus shaft in the regular flex and it did'n work for me so I'm sending it back. It's a good club but make sure you get the shaft that's right for you.
Date published: 2017-08-09
Rated 5 out of 5 by from Incredible Performance I have never hit a driver with a sweet spot so enormous . The distance you get even if your ball at impact is not dead center. The club face has a trampoline effect resulting in explosive straight long drives. Worth every penny.
Date published: 2017-07-07
Rated 5 out of 5 by from Best driver I've ever owned period. My Sub Zero GBB driver is the first Callaway product I've ever owned. Fantastic look at address, great sound and feel in the sweet spot. I was looking for a new driver this year and hit a lot of different clubs....so glade I chose the Callaway
Date published: 2017-07-07
Rated 1 out of 5 by from Could not get the feel with this driver Tried everything to be able to hit. Nothing worked. I finally gave the club away, went back to my old Cleveland.
Date published: 2017-07-06
Rated 5 out of 5 by from Added distance and improved accuracy I never considered a new driver, until I played this as a demo. I have a Cleveland Hibore XLS from 2007, and I hit the Epic consistently 25-30 yards further and more accurate. It's taken 4-5 strokes off my game. Great benefit to hitting a much shorter club into the green.
Date published: 2017-07-06
Rated 5 out of 5 by from Surprisingly amazed As a regular golfer, I usually try out drivers to see if anything is different or new. Usually it's the same old thing, not much different from my current driver. The Epic sub-zero was an absolutely shocker for me. When I tried it, it was extremely windy blowing directly in my face. Not expecting much, I hit what I would term an "average" swing and was shocked by the feel. You can feel it launch and it cut through the wind like nothing. A couple of more swings and I was hooked. Now I'm in a dilemma. Anyways, currently using the Titleist 915 D2.
Date published: 2017-06-29
Rated 5 out of 5 by from Overall EPIC I'm a 17 year old kid @around 5'11 with a 4.4 Handicap and 107 Club Head speed. I recently broke my Nike Vapor due to a misfortunate event. I went down to my local golf course to get fitted for a new driver and the second I hit the ball with the Callaway Epic Subzero driver I could feel a difference. A big factor in making sure your ball runs out is a fairly lower spin factor. I found that a little mishit on this club still created a lot of rollout. After taking this club onto the course I could see 40 yards improvement. Even at an 11 degree loft I was looking at a total distance of 290. I'd highly recommend spending the money to get this driver as it is EPIC. Way to go Callaway!
Date published: 2017-06-17
Rated 5 out of 5 by from Great club! There is a lot of improvement from the CAR 16 driver!
Date published: 2017-06-15
Rated 5 out of 5 by from This product really changes your game. For most new drivers, they say that they change your distance however it doesnt make much difference. This, however, is different. My average drive before this driver was 230-250 carry, now, with the epic, I gained 40 YARDS consistently with my drives. Plus, it doesn't compromise its forgiveness.
Date published: 2017-06-02
Rated 2 out of 5 by from OVER RATED DRIVER Absolute worst driver I have ever owned. It felt cheap and poorly constructed. I could easily hit the Epic 3 wood farther and I am going back to my 915D2. Totally a waste of money on a Driver. I have callaway Apex irons and love them. This Driver was a huge let down.
Date published: 2017-05-21
Rated 5 out of 5 by from Best driver I have ever owned I am not 100% sure on the yardage gained with this club over my previous Callaway drivers. I'm guessing maybe 10 yards or so. The thing I can't believe is how many more fairways I am hitting now. The epic sub zero is my go to club now. I Have played it for about 2 months now and have never hit the ball more consistently.
Date published: 2017-05-17
Rated 5 out of 5 by from Great feel and forgiving. The new Epic is far more forgiving then my RBZ2. Great feel and distant. Haven't had a chance to play with the adjustments yet because I don't feel the need to change anything! I highly recommend this driver if you are inconsistent with hitting fairways like I WAS!
Date published: 2017-05-15
Rated 5 out of 5 by from Thought club was a gimmick until i tried it! 61 years old, 7 handicap picked up 20 yards and tighter hits to targets! Thought club was a gimmick until i tried it! 61 years old, 7 handicap picked up 20 yards and tighter hits to targets! Tried the Epc regular shaft first, into the wind didn't know where it was going Then tried Epic sub-zero with stiff shaft, wow!! Bought driver after 2 hits!
Date published: 2017-05-04
Rated 5 out of 5 by from The Epic Driver takes no Prisoners! Really not a big Callaway fan... To that end, a month ago I visited the local golf shop and tried a few of the newer model drivers and found the Epic to have a more aggressive feel! The feel is like you can hit it a mile, a true feeling of confidence! A few of my golf buddies try it on the course and they were very impressed "with the feel" as well. It's no surprise if you hit a club well it will produce distance and the Epic driver delivers the mail! It's truly a superior club and I congratulate Callaway on a job well done.
Date published: 2017-04-18
Rated 5 out of 5 by from Lower Spin Option The other Epic driver has too much spin. This Sub Zero Drive gave me less spin which translated to more distance and more accuracy
Date published: 2017-04-03
Rated 5 out of 5 by from Best Driver of 2017 I tried out many of the new drivers of 2017 and this is easily the winner. Ball speed was up 4 mph on average and my carry and roll increased a significant amount. Excellent driver! I would suggest messing with moving the weights and loft while getting fit for a shaft. Magic number for me was 9.5 degree with the heavier weight in back, with the Fujikura Pro Green shaft.
Date published: 2017-03-24
Rated 1 out of 5 by from Defective Driver Beware! I purchased this driver when it first came out.I played a couple of rounds only to find out that the rear weight snapped off without even touching it with a wrench. I contacted Callaway and they were aware of the issue and did not have a solution. I am highly disappointed in Callaway not just about the club but the way the issue is being handled. I do not plan to buy any products in the future.
Date published: 2017-02-23
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