The [K] represents the four new proprietary Wilson technologies which result in enhanced [K]ontrol.
By definition "FACTOR" represents anything that actively contributes to the production of a result
Wilson [K]Factor combines the next generation in NANO technology and unique frame engineering innovations, that result in the ultimate line of [K]ontrol racquets for all players
New structure created the nano level. For More feel and ultimate [K]ontrol.
New frame/shaft engineering technology that enhances stiffness at T-Joint area for improved torsional stability.
New top cap design for more flexible shaft resulting in increased power