Hot List
Best Irons: Look / Sound / Feel
The best clubs in each category of the Hot List reflect excellence in an array of criteria, as judged by our player testing. For irons, that includes the must-have attributes of look, sound and feel. We judge irons in four categories (Players, Players Distance, Game Improvement and Super Game Improvement), meaning the threshold of a pleasing look, sound or feel changes depending on the category, although there are general standards, The clubs must appeal to the eye at address, sound pleasant to the ears and generate a feeling in the hands that doesn’t send shockwaves to the elbows regardless of whether the player flushed it or hit it off-center. These individual lists provide a way to identify the look, sound and feel within the category. Here you’ll see how 32 players evaluated irons, based on each player's interpretation of the criterion of Look/Sound/Feel, with each achieving a minimum of 4.5 stars from our players in that area.
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With its effective mix of classic looks and contemporary technology, the Apex CB is made for the demands of elite players. This is an iron that gets the details right, especially the features better golfers appreciate, like an improved sole design for more effective turf interaction, tweaked centers of gravity via the use of tungsten weights that are dialed in for each individual iron, and hitting the trifecta of shape, sound and feel that better players require.
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With a name like Big Bertha, you expect features like a wide sole and the kind of offset that is sure to tame a slice. However, it’s the guts of this club that delivers the goods. This iron’s cupface technology in which the face wraps around part of the topline and sole helps improve flex and distance. Tungsten weighting is generously used as well, including 43 grams inside the head to bolster forgiveness on mis-hits. Progressive center-of-gravity locations help with launch in the long irons and control in the short irons.
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The game-improvement category is probably the most expansive of any and requires an iron that works for a variety of swing speeds and swing paths. To achieve this, Callaway leaned into its history of using artificial intelligence to run through thousands of possible designs. The result is a hollow-body iron featuring micro-face deflections (think tiny moguls behind the face ranging from 1.14 millimeters to 3.40 millimeters thick). The purpose is to produce faster ball speeds off the 17-4 stainless-steel cupface.
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The Paradym Ai Smoke is designed for players with faster swings. This model is made for players who swing a little slower and carry their 7-iron less than 130 yards. That player needs help achieving a healthy ball flight. Using real-player data, the company’s supercomputer simulated tens of thousands of impacts to arrive at a design that improves launch and spin and would keep the ball in the air longer—something that can be the difference between fixing a pitch mark on the green or fishing the ball out of the water.
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The ability to launch the ball is critical for golfers with slower swing speeds. That’s because slow swings don’t produce enough speed to generate significant height. This club seeks to launch higher without adding too much distance-robbing spin. That quest began by using lighter clubheads, shafts and grips, making it easier for golfers to generate more clubhead speed. Generous offset and heel-biased weighting contribute to a higher launch and slice-correction. A revamped variable-thickness face inspired by Cobra’s driver is 15 percent thinner on the 4- through 7-irons to help with distance.
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You’ve heard the phrase “pound for pound, the best”? That would apply to Cobra’s R&D team. Although outnumbered and out-budgeted by the biggest companies, Cobra continues to innovate in meaningful ways, and this iron is the latest example. The face of the hollow-body irons, designed with the help of a supercomputer, is 1.5 millimeters at its thinnest, providing explosive ball speed. Inside the cavity is a soft polymer (used in underbody coatings in cars) to dampen vibrations. It’s also available in the One Length shaft option, which accounts for nearly 30 percent of Cobra’s iron sales.
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Most traditional irons use a two- or three-step forging process, but these irons use a five-step process that more effectively aligns the grain structure of the metal and reduces the number of voids. This process allows for tighter control of the weight specs and reduces the amount of hand polishing, leading to a more precise clubhead. The grooves are milled into the face so they can be manufactured closer to the USGA limit. A channel behind the hitting area is filled with a thermoplastic urethane to keep the feel just right.
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If these irons took human form, they might just give Patrick Dempsey a run for “Sexiest Man Alive.” Just like with the actor, there’s more here than good looks. The speed on this iron comes from the thinnest face on a forged iron in the company’s history—just 2.2 millimeters thick. The distance chase doesn’t stop there. Micro-slots in the sole cavity (wider in the 4- through 6-irons and slightly narrower in the 7-iron to smooth the transition to the scoring clubs) provide plenty of heat.
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If you’re a player seeking raw distance, you might be drawn to an iron named Hot Metal. The achievement in this club is that it’s able to bring high ball speeds through metallurgy. Mizuno used Nickel Chromoly 4335—a remarkably strong steel alloy used in military aircraft—to create the thinnest face of any Mizuno iron ever. Of course, a hotter face brings with it a powerful sound. In this case, Mizuno was able to neatly walk the line of producing audio that was pleasing and have others in your foursome take notice.
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In the chase for ball speed many companies have opted to strengthen lofts—not so here. In fact, Mizuno’s research shows that golfers with average to slow swing speeds have a tough time getting a 5-iron up in the air. Mizuno then focuses on increasing launch by staying true to traditional lofts (some 2 to 3 degrees weaker than many in the category) and using a wider sole, which helps drive the center of gravity down. The face is made from a cast nickel Chromoly steel that produces plenty of punch off the face.
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Advancements in golf clubs aren’t always solely driven by design. You need to be able to manufacture them as well. For this iron that meant finding a different steel—Nickel Chromoly 4335—that could be cast to an ultra-thin 1.75 millimeters and still withstand impact with the ball and ground at high speeds. This led to the ability to create a single-piece design that behaves like an iron that has a spring-like face insert. The elimination of weld joints eradicates hot spots on the face.
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This is the epitome of a modern iron for better players. The blade length was shortened in the 6-iron through pitching wedge from the JPX921, and the topline is trimmer. On the sole, a more rounded trailing edge increases shot-making ability and makes it easier to get through the turf. As with most Mizuno irons, its “grain-flow forging” process tightens the carbon steel’s grain structure to produce a beyond-pleasant feel at impact—a reminder that you don’t have to play for pay to enjoy benefits normally reserved for tour players.
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Of all the irons in the Mizuno Pro line, the 243 offers the most dramatic change from the previous version. Engineers set out to make the club smaller to appeal to better players yet still add speed. Designing such an iron meant thinning the face, as thin as 2.1 millimeters on the long irons, with those irons having a “microslot” that is wider and deeper than the one used on the 6- and 7-irons to produce the desired distance boost.
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The traditional blade appearance of the Mizuno Pro 245 says, “Be afraid. Be very afraid.” The performance, however, says otherwise. This hollow-body iron is grain-flow forged from 4135 Chromoly steel for the face and neck all the way to the 8-iron. Internal tungsten weighting in the irons up to the 7-iron is 46.4 grams as opposed to 30 grams in its predecessor. A new method of laser welding suspends the tungsten in the head so that it doesn’t touch the sole, allowing the face to flex better and boost ball speed.
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Manufacturing a soft, forgiving players iron with an undercut shape is a difficult engineering challenge. Ping took five years to develop the Blueprint S, which replaces the i59 model. The forged irons are essentially two sets in one: The 3- through 5-irons have a pocket-cavity design in which an elastomer insert saves 10 grams of weight that is redistributed to assist launch and forgiveness in the clubs where it is needed most. The shorter irons are single-piece forgings that encourage more ball-flight control.
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Ping realizes off-center hits are part of the game, even for single-digit players. This iron doesn’t ignore that unpleasant reality but places more of an emphasis on a clean aesthetic and more pop than a ball coming off Aaron Judge’s bat. The construction is almost metal-wood-like with a hollow-body design using C300 maraging steel for the face—the same type of metal used in landing gear for aircraft. The sole has an “arcing cascade” that aids in the flexing of the face and combines with strong lofts to ensure the desire for distance is satisfied.
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Increasing launch and decreasing spin is a recipe for distance in irons as well as metal woods. The internal groove built into the back surface of the high-strength HT1770 steel face insert helps in that regard. The groove, about ten-thousandths of an inch deep, runs up both sides and across the top of the perimeter to create more give in the face. It also helps promote a gear effect to increase launch and decrease spin. A large weight in the back is more than ornamentation: It allows fitters to dial in the desired swingweight.
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It’s easy to be drawn in by the lighter and more flexible core material or the interior groove around the face that helps the face bend at impact, but more than doubling the amount of tungsten in the heel and toe areas really gets our attention. Although the heft is a nice bonus in a players or players-distance iron, the game-improvement crowd misses the center of the face more than they hit it. This makes the stability/forgiveness boost received from putting extra weight in those areas noteworthy. It also has the benefit of producing a feel as meaty as a bone-in rib-eye cooked over an open flame, and we like those.
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Arguably the most technologically advanced iron in Srixon’s line, the ZX4 Mk II brings all the power one could want. The cast, multipiece hollow-body iron features a forged high-strength steel face insert that has the ball coming out of the blocks like an Olympic sprinter. That’s not just from the springy metal though. Srixon used a supercomputer to simulate thousands of impacts, and a variable-thickness face pattern was milled into the backside of the face insert to maximize ball speed.The long and middle irons—to the 7-iron—have wider and shallower grooves, and the grooves in the short irons are narrower and deeper to optimize spin.
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Some irons in this category go heavy on the distance and light on the players. This one is the right combination of both. A slim hosel provides a pleasing visual at address, and the offset produces a natural flow through the set—both small enhancements better players will appreciate. The face has plenty of sizzle thanks to the use of a forged SUP10 steel plate featuring a variable-thickness pattern of grooves, channels and cavities milled into the back of the iron face to maximize rebound at impact.
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What’s different in this model is the “PureFrame” design in which mass is forged into the clubhead behind the hitting area. That added thickness, determined by studying the iron impact patterns of the company’s tour staff, reduces face flex by 12 percent, providing the distance control of a muscle-back blade iron with more than a hint of forgiveness. A shorter blade height enhances control, allowing players the ability to flight short-iron shots lower. Turf interaction—always a priority for Srixon with irons—is enhanced with notches on the heel and toe areas of the sole that reduce resistance when exiting the turf.
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The third generation of TaylorMade’s flagship iron has a thin face that hits harder than T.J. Watt sacking a quarterback. TaylorMade engineers used artificial intelligence to run through some 600 iterations of its clubhead design, leading to the use of different internal weighting: low in the 4- and 5-irons to help increase launch, toward the perimeter to foster forgiveness on the 6- and 7-irons and no internal weighting for the 8-iron and higher. These design gymnastics are not just for performance gains but for improving sound and feel, too.
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TaylorMade’s P-series irons have long overshadowed its game-improvement offerings, but that’s changed over time. The Qi is the latest leap. The iron incorporates a “cap back” that replaces the steel back of the clubhead with a composite badge. The badge provides the necessary reinforcement for the thin, flexing face, along with a pleasant sound and feel. The badge also reduces mass, allowing weight to be moved to dial in the proper center-of-gravity location. To assist sound, a damping system uses a softer polymer blend and multiple contact points across the face to channel away those pesky unwanted vibrations without slowing ball speed. The nickel-chrome plating adds a touch of class, too.
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The look is so elegant that you might expect to find this one in the bag of The Golden Bachelor (who does play golf), but substance is plentiful, too. The hard-to-hit long irons have a backbar that lowers the center of gravity and combines with a new slot design to promote higher launch. The short irons, however, have a backbar with extreme heel-toe weighting to boost forgiveness and a different slot to maximize ball speed.
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A proven performer has little need to make drastic changes. This does not mean the latest T100 hasn’t undergone any improvements. The dual-cavity design uses super dense D18 tungsten (which weighs about 1.5 times more than lead), allowing for precise center-of-gravity placement in each iron without sacrificing the premium forged feel and pleasing shape the T100 is known for. Engineers worked with tour pros and the grind experts in its wedge department to smooth and soften the trail edge of the sole to allow the club to move faster through the turf.
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The secret sauce that makes this players iron pack plenty of power is not just stronger lofts than the Titleist T100. A channel behind the face adds the kind of extra zip that is sure to excite better recreational players. Sacrificing feel and forgiveness, however, was not an option: The use of dense tungsten and a slightly thicker topline and sole bolster stability. Also, the lower portion of the face is a shade thicker than the T100 to enhance feel.
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The T100 is the most-played iron on the PGA Tour, so it’s easy to see how some might view the T200 in a lesser light. Nothing could be more wrong. This club has undergone a substantial overhaul. A ball speed boost comes from a face that wraps around the sole for extra flex at impact. A more stable frame, dense tungsten weights and a revamped polymer core and support-bar structure behind the face improve ball-speed consistency on mis-hits, too. It’s no wonder some PGA Tour pros use these for their long irons.
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A shift away from an undercut-cavity design to a hollow-body platform signals a transformational upgrade from its T300 predecessor. The hollow design houses the polymer-core structure (previously on the back of the iron), moving it closer to the face for better performance and feel. Also different from the T300 are super-dense tungsten weights in the heel and toe. This feature not only triggers more stability but contributes to ball speed and helps maintains feel. The high-strength steel face features that same alloy as the T200 and L-shape that overlaps into the sole for extra rebound at impact.