Callaway Big Bertha OS Irons


Callaway Big Bertha OS Irons

Callaway’s new Big Bertha irons feature a cup face similar to that of a wood or driver welded to a lightweight skeleton. The design¬†brings the clubface COR to the edges of USGA limits, which means more speed and distance. Meanwhile, the lightweight “Exo-Cage” lets Callaway put weights in strategic locations for improved forgiveness. The clubs feature:

  • 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
  • Next-generation 360 Face Cup technology elevates clubface COR closer to the USGA limit to produce even faster ball speeds and more distance
  • 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 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 are engineered to be lighter in overall weight
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