Body: 90% Polyester

The new 620 CB irons stay true to everything players have come to trust from this classic model

solid face for golfers who prefer a firmer impact feel and sound

Ergonomically designed outer casing fits snugly into the hand

Srixon Z-Star XV Golf Balls - Pure White - 12 Pack ST-220 Body: 90% PolyesterWhen it comes to the golf balls you choose, compromising just isnt an optionwhich is why Srixons z star series is the one for you. Enjoy exceptional feel while maximizing your greenside spin. Choose Z STAR if finesse around the greens and pinpoint approach shots are your keys to recording low scores. From its molecules to its dimples, we push every z star element and technology to its highest performance limit, so you can step up and strike every ball