The Aldila RIP Phenom Wood Shaft incorporates Aldila's Tour proven RIP Technology with a unique composite construction to create a new and innovative shaft flex profile for maximum distance and control - the Hyperbolic Flex Zone. RIP Technology repositions the materials and patterns to optimize the performance characteristics of the shaft. The Phenom's Hyperbolic Flex Zone provides a stiff tip section for optimal launch and spin control with a very firm butt section for an incredibly stable feel, while the center section of the shaft is softer to provide outstanding kick through impact to maximize ball speed. Through the use of computer modeling technology and exclusive carbon fiber materials, Aldila completely turned golf shaft design and performance inside out. RIP Technology provides a shaft design with optimum flex and torque characteristics with increased cross-sectional stability throughout the tip area for greater shot control. Through the use of a Hyperbolic Flex Zone, the new RIP Phenom incorporates the same flex, torque and feel properties that have made the original RIP the leading shaft on the PGA Tour, with a flex profile to achieve unparalleled performance and launch characteristics for better players.