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. <EOS>