The Women’s Smart Sole 4 delivers an enhanced three-tiered sole, which makes it easy to get up and down from any lie, especially on bunker shots. With improved Feel Balancing Technology, new aggressive milled grooves and the addition of the “G” model, the Women’s Smart Sole 4 makes the short game easier. The Women’s Smart Sole 4 delivers an enhanced three-tiered sole, which makes it easy to get up and down from any lie, especially on bunker shots. With improved Feel Balancing Technology, new aggressive milled grooves and the addition of the “G” model, the Women’s Smart Sole 4 makes the short game easier.