Abstract: A golf club head includes a club head body having a striking face, a soleplate, a crown, a toe, a heel and a hosel shaped and dimensioned for receiving a shaft. The club head body includes a body shell composed of the striking face, soleplate, crown, toe and heel, wherein the body shell has a reduced mass allowing for greater weight manipulation within the club head body.

Abstract: A golf club head includes a club head body having a striking face, a soleplate, a toe, a heel and a hosel. The club head body includes a body shell composed of the striking face, soleplate, toe and heel, wherein at least a portion of the body shell is composed of a flexible material having a density of less than approximately 2.5 g/cm3 and tensile strength of at least approximately 465 MPa/(g/cm3). An internal cavity of the body shell is pressurized.

Abstract: A golf club head includes a club head body having a striking face, a soleplate, a toe, a heel and a hosel. The club head body includes a body shell composed of the striking face, soleplate, toe and heel, wherein at least a portion of the body shell is composed of a flexible material having a density of less than approximately 2.5 g/cm3 and tensile strength of at least approximately 465 MPa /(g/cm3) which is secured to a substrate with the flexible material facing an exterior of the club head.

Abstract: A golf club head includes a club head body having a striking face, a soleplate, a crown, a toe, a heel and a hosel shaped and dimensioned for receiving a shaft. The club head body includes a body shell composed of the striking face, soleplate, crown, toe and heel, wherein the body shell has a reduced mass allowing for greater weight manipulation within the club head body.

Abstract: A golf club head includes a club head body having a striking face, a soleplate, a crown, a toe, a heel and a hosel shaped and dimensioned for receiving a shaft. The club head body includes a body shell composed of the striking face, soleplate, crown, toe and heel, wherein the body shell has a reduced mass allowing for greater weight manipulation within the club head body.

Abstract: A golf club head includes a club head body having a striking face, a soleplate, a toe, a heel and a hosel. The club head body includes a body shell composed of the striking face, soleplate, toe and heel, wherein at least a portion of the body shell is composed of a flexible material having a density of less than approximately 2.5 g/cm3 and tensile strength of at least approximately 465 MPa /(g/cm3) which is secured to a substrate with the flexible material facing an exterior of the club head.

Abstract: A system for providing golfers with golf related information includes a personal digital assistant having a GPS function, a memory, a processor and an input/output. The system also includes a cradle shaped and dimensioned for receiving the personal digital assistant and transferring information thereto. The cradle includes a memory storing information relating to coordinates on a golf course and an input/output transmitting information to the personal digital assistant. The personal digital assistant includes software for calculating and displaying distance between a golfer's location and a designated coordinate on the golf course.