La Sportiva - Katana (Yellow/Black) - Men's: Made for optimum performance, precision and sensitivity when pushing the limits and tackling harder grades. Hook-and-loop fastener provides easy on and off convenience. Combined with one hand on-the-fly adjustability for added performance. Vibram XSV rubber is the best combination of edging hardness and smearing stickiness for grip. Dual-component lining. Powerful slingshot rands. Features a power-hinge in the sole for precision footwork.