Big Bertha OS Senior Irons 
Big Bertha OS Senior Irons 
Big Bertha OS Senior Irons are lighter in overall weight, with more loft to promote faster ball speed and higher launch angle to make it easy to get the ball in the air. Get more distance in an entirely new way, led by extraordinary light and strong Exo-Cage that allows us to strategically position weight to increase forgiveness, and helps our industry-leading, next-generation 360 Face Cup produce even faster ball speeds and more distance.
Big Bertha OS Senior Irons
Big Bertha OS Senior Irons
Big Bertha OS Senior Irons
Big Bertha OS Senior Irons

Big Bertha OS Senior Irons

From $812.49
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From $812.49
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What You Need To Know


    Technology Specs

    Big Bertha OS Senior Irons Technology Item
    • More Forgiveness and Ball Speed from New Exo-Cage Technology

      The uniquely light-and-strong design of the Exo-Cage allows more weight to be positioned in strategic locations to increase forgiveness while also helping our next-generation 360 Face Cup technology to function more efficiently.

    • Even More Ball Speed from Next Gen 360 Face Cup

      Next-generation 360 Face Cup technology elevates clubface COR closer to the USGA limit to produce even faster ball speeds and more distance.

    • Higher Launch for Longer Carry from Tungsten-Loaded Standing Wave

      Tungsten-Loaded Standing Wave technology in the sole lowers the center of gravity to promote a higher launch angle for longer carry and more ball speed on hits low on the face.

    • Progressive Center of Gravity for Increased Control

      Progressive Center of Gravity technology entails moving the CG location progressively lower in each head from the highest-lofted to the lowest-lofted, promoting higher launch and long carry in the long-irons and increased control in the short-irons.

    • Women’s and Senior Models

      Lighter in overall weight, with more loft to promote faster ball speed and higher launch angle to make it easy to get the ball in the air.




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    Big Bertha OS Senior Irons is rated 4.7 out of 5 by 16.
    Rated 5 out of 5 by from os irons These irons are as advertised I have a higher ball flight,better accuracy, and have added some distance. Also the feel of the clubs good. These clubs will help a mid to high handicapped player.
    Date published: 2017-12-26
    Rated 5 out of 5 by from Big Bertha OS Made For Seniors Big Bertha OS Senior Irons have great swing weight and balance. Callaway guarantee makes deal easy for the money we spend.
    Date published: 2017-12-14
    Rated 5 out of 5 by from Longest club I have ever had 1ST competitive round with my regular group, an 80. I was 2 clubs longer than my normal rounds. The forgiveness was impeccable. Made them look for the entire round. If a couple of more birdie putts hadn't burned the edges would have been a 77. I am excited about my next round. The guys were texting me the next day wondering where I purchased them, looks like they may be trying to trade up. I would recommend these to anyone who wants a better game.
    Date published: 2017-08-14
    Rated 5 out of 5 by from New kind of iron I originally ordered the Senior OS 6 thru PW set. After several rounds I saw what these irons could do and I then ordered the 5 iron. Had to order the Senior model on-line because none of the stores have the Senior model. You get exactly what you want from Callaway and dont have to settle for whatever the ordinary golf shops have in stock.
    Date published: 2017-07-27
    Rated 5 out of 5 by from GREAT CLUBS BUT OH THOSE HYBRID COVERS I bought 4-7 hybrids and 8-S irons. Great clubs, even though I never buy the hype that clubs will improve your game I think these have. Love em. Only downside is you pay that kind of money for clubs and they give you head covers for the hybrids that are well lets just say garbage. If the covers last 6 months I will be amazed.
    Date published: 2017-06-18
    Rated 5 out of 5 by from Can hit a 4 iron again Had to stop playing 3 years ago due to nerve damage to foot- 11hdc; never better than 8hdc Am physically very active but found at 70 my swing speed dropped 8-10 mph with driver. I can hit a 4 iron 165 in the air from fairway or light rough; easy to hit; sound and feel great (Recoil graphite shafts) A Ping guy as a lefty, most of my life; but like these better than G700.
    Date published: 2018-08-01
    Rated 5 out of 5 by from Excellent Clubs for Senior Golfers Because the lofts are a few degrees weaker does not mean that these irons will not give you the distance that senior golfers want. In fact, when you hit these irons you will find a players iron feel at impact and the distance is far more than you would expect based on the loft of the iron you are using. I clearly did not expect this feel from a super-game improvement iron. Thank you Callaway for the excellent design and feel of these clubs. An added benefit is that these irons are much easier to hit even with a slow swing speed and the golf ball definitely gets airborne and flies toward the target whether it be the green or a lay up point on a long par 5 hole. I am 76 and I definitely recommend these irons for senior golfers.
    Date published: 2018-06-22
    Rated 5 out of 5 by from Made Old guys rule Purchased irons mid May. Mid June, after playing with them once, played in Member-Guest in Forest Heights Country Club. Won Flight and came in 3rd Place against entire 144 man field. I just turned 68 and my partner is the same age. The clubs helped me hit it straight and long. I sure do love them. Thanks, Johnny Cobb.
    Date published: 2018-06-18
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