An internal strap stretches over your foot then locks you in

Titanium construction

and the front pockets allows you to store small valuables on-the-go

With ColdGear Infrared technology it uses a soft

Mizuno Pro S-1 Single Irons - Graphite Clubs:. An internal strap stretches overMizuno Pro S 1 irons are pure muscle backs, designed for players who demand ultimate precision and workability. At the core of the Mizuno Pro S 1 is Mizunos Grain Flow Forged HD process, carefully executed in Hiroshima, Japan. Forged from a single billet of 1025E Pure Select Mild Carbon Steel, the S 1 delivers the unmistakably soft and responsive feel through impact that Mizuno is globally known for. The inclusion of a copper underlay further