PING i540 Irons - Steel RH Irons:5-PW plus this performance polo is

plus this performance polo is engineered for moisture-moving comfort in all conditions

W-Grind Traditional full-sole design

with a slightly lower compression rating and a softer cover than last generation

high-launching Stainless Fairway and Hybrid clubs

steel body provides a unique feel that is typically only found in single-piece forged irons

PING i540 Irons - Steel RH Irons:5-PW plus this performance polo isinR Air Technology This patent pending technology by PING relies on an air bag strategically placed behind the face inside the cavity that attenuates frequencies for improved sound and feel without restricting bending. Maraging Steel Face The forged, variable thickness maraging steel face is 9% thinner for more flexing and creates metal wood like bending in the transition areas (sole and top), resulting in faster ball speeds and higher max height. i