Skate blade with improved properties

Skate blade (10) for skating shoes, which has right edge (2) and a left edge (3), the blade (10) can be divided along its length to three adjoining regions, namely a rear region (5), a central region (1) and a front region (4), a coordinate system with mutually normal directions x, y and z can be associated with a central plane (6) halving the blade at the central region (1), wherein direction x designates the distance in forward direction of an edge point, direction y designates the lateral distance of an edge point from the central plane (6) and direction z designates the height of an edge point from the height of the edge in the central region (1), in which at any edge point with a coordinate x the height (z) of the edges (2,3) are the same, in the central zone (1) the height z of both edges (2,3) is zero, and in at least one of the rear and front regions (5, 4) the width of the blade increases with the increase of the absolute value of the coordinate x along an arched curve, characterised in that in at least one of the front and/or rear regions (5, 4) in which the width is increasing along the arched curve, said increase is asymmetric with respect to the central plane (6).