A pre-manufactured spar cap for a wind turbine blade comprising - a spar cap structure comprising a plurality of fibre-reinforced composite elements arranged in stacked rows and separated by interlayers, characterized in that it further comprises - a first damage tolerant cover sheet comprising - a first damage tolerant fibre layer forming part of a first outer surface of the first damage tolerant cover sheet; and - a second damage tolerant fibre layer forming part of a second outer surface of the first damage tolerant cover sheet, the second outer surface of the first damage tolerant cover sheet being opposite to the first outer surface of the damage tolerant cover sheet, - wherein the first damage tolerant fibre layer and the second damage tolerant fibre layer are attached to each other in attachment areas by a first plurality of stitching rows and/or by a first binding agent arranged between the first and second damage tolerant fibre layer in the attachment areas, and wherein the attachments areas are separated from each other by a distance between 1-5 cm, preferably around 2.5 cm; wherein the first damage tolerant cover sheet is arranged such that the second outer surface of the first damage tolerant cover sheet is in contact with a first surface of the spar cap structure; and wherein the spar cap structure and the first damager tolerant cover sheet are embedded in a first cured resin. - a spar cap structure comprising a plurality of fibre-reinforced composite elements arranged in stacked rows and separated by interlayers, characterized in that it further comprises - a first damage tolerant cover sheet comprising - a first damage tolerant fibre layer forming part of a first outer surface of the first damage tolerant cover sheet; and - a second damage tolerant fibre layer forming part of a second outer surface of the first damage tolerant cover sheet, the second outer surface of the first damage tolerant cover sheet being opposite to the first outer surface of the damage tolerant cover sheet, - wherein the first damage tolerant fibre layer and the second damage tolerant fibre layer are attached to each other in attachment areas by a first plurality of stitching rows and/or by a first binding agent arranged between the first and second damage tolerant fibre layer in the attachment areas, and wherein the attachments areas are separated from each other by a distance between 1-5 cm, preferably around 2.5 cm; - a first damage tolerant fibre layer forming part of a first outer surface of the first damage tolerant cover sheet; and - a second damage tolerant fibre layer forming part of a second outer surface of the first damage tolerant cover sheet, the second outer surface of the first damage tolerant cover sheet being opposite to the first outer surface of the damage tolerant cover sheet, - wherein the first damage tolerant fibre layer and the second damage tolerant fibre layer are attached to each other in attachment areas by a first plurality of stitching rows and/or by a first binding agent arranged between the first and second damage tolerant fibre layer in the attachment areas, and wherein the attachments areas are separated from each other by a distance between 1-5 cm, preferably around 2.5 cm; wherein the first damage tolerant cover sheet is arranged such that the second outer surface of the first damage tolerant cover sheet is in contact with a first surface of the spar cap structure; and wherein the spar cap structure and the first damager tolerant cover sheet are embedded in a first cured resin.