CALLAWAY Big Bertha B21 5-PW AW Iron Set with Steel Shafts

You’re looking for more distance, and these irons are here to give it to you. In fact, we’ve designed our legendary Big Bertha shaping with a NEW formula for distance and forgiveness…any way you swing it. It’s a technology package that delivers more ball speed, higher launch and straighter shots for a new level of confidence that you didn’t think was possible.

It all starts with the confidence inspiring shaping that makes Bertha so easy to hit. Generous offset, wide soles and a thick topline inspire confidence. But there’s even more under the hood.  

This is the first time that our A.I.-designed Flash Face Cup is in a Big Bertha Iron. We’ve created high balls speeds and increased spin robustness off of every club in the set, with a unique Flash Face architecture for each individual iron.

A.I. Flash Face Cup wasn’t the only first…these irons also have a Visible Tungsten Energy Core (VTEC) which deepens the CG to make these irons incredibly easy to launch. We’ve also provided outstanding feel at impact from our proprietary urethane microspheres. These microspheres are strategically designed to absorb unwanted vibration without reducing speed. In short, you’re getting the iconic shaping that you want to see over the ball with incredible ball speed technologies to get the absolute most out of your swing.

Fast Ball Speeds From The First A.I.-Designed Big Bertha Iron

Our industry-leading Flash Face Cup in each club. We’ve created high ball speeds and increased spin robustness off of every iron in the set with a sophisticated face architecture that’s unique to every loft. Ball speed is further enhanced by our 360 Face Cup that flexes and releases at impact.

Amazing Forgiveness From Legendary Big Bertha Shaping

This club profile that golfers love is engineered to give you more confidence over the ball with noticeably wider soles. For easy launch, lower spin and straighter shots, we’ve added more offset. Combined with our Flash Face Cup, we’ve developed a NEW formula for distance and forgiveness.

Higher Launch From Our Visible Tungsten Energy Core

We’ve added a significant amount of custom tungsten weighting. So we can deepen the CG in each iron with extraordinary precision, while still maintaining ball speed in the Flash Face Cup. Now you can get higher launch conditions through the set.

Pure Feel From Urethane Microspheres

Our patented urethane microspheres comprehensively absorb unwanted vibration for exceptional feel, while also maintaining fast ball speeds.