Wilson Women's Pro Staff 11 Piece Set Maximum headsize and large swept back foot print, 14 degree, raises the club's MOI for greater accuracy True game improvement technology revolution in hybrids that are much easier to hit than long irons. Extreme undercut cavity achieves a deep center-of-gravity to launch the ball straight down the fairway Entire set features lightweight graphite shafts with reinforced stability tip Soft and durable all weather grips provide great feedback and improved feel. Crushed crown lowers the center of gravity for longer, straighter drives. Precision 431 stainless steel heads with easy alignment topline and sole. Designed specially for women's flex and length characteristics. Wood style hybrids align easily to target and perform well in a wide variety of lies and course conditions.