XXIO Men's 13 Iron SetXXIO Men's 13 Iron Set The all new XXIO 13 Irons deliver the ultimate in moderate swing speed performance. Their advanced, four piece design has a remarkably low Center of Gravity for a satisfyingly high launch. Rebound Frame technology helps you generate incredible ball speed, while the signature lightweight swing feel of XXIO lets you do it all with remarkable ease. Experience the Difference. HEAD LOFT HAND LIE FACE PROGRESSION LENGTH SWING WEIGHT