Yes, Mizuno is launching five new JPX921 irons, but each finds a distinct place thanks to unique alloys, technologies | Golf Equipment: Clubs, Balls, Bags | GolfDigest.com
Mizuno Irons | Mizuno Golf USA
Mizuno Pro 221 Blue Iron Set, Limited Edition Blue Golf Iron Set - Mizuno USA
Which 2022 Mizuno iron suits me? (Includes Pro 221, 223 & 225 irons) - YouTube
Mizuno releases limited-edition Mizuno Pro 221 blue irons