Gillette's most advanced cartridge; Fusion ProShield lubrication BEFORE and after the blades helps to shield while you shave. Plus, Chill features Cooling Technology during the shave. The FlexBall Technology makes maximum contact over contours. Features include:• FlexBall Technology that responds to contours and gets virtually every hair• 5 precision blades provide less tug and pull for incredible comfort• Precision Trimmer on back for accurate edging• Blades fit all Fusion and ProGlide® handles