ASICS Mens Gel-Kinsei 3 Shoes - Grey/Black/Yellow Men's Asics, Gel Kinsei 3 Rooted in the success of its predecessors in the GEL-Kinsei series, this new model introduces an innovative adaptive technology - a new Guidance Line system. With a long vertical groove that flows the length of the shoe, the Guidance Line encourages the foot to repeat an optimal path through the gait cycle, thereby