A composite material comprising: a fiber layer comprised of fibers that form a surface having a fiber pattern thereon; a matrix resin comprising a thermosetting resin in which rubber particles are dispersed, said matrix resin forming a resin surface on said fiber pattern; and a surface finish film located on said resin surface in an amount equal to between 100 and 800 grams per square meter of said resin surface, said surface finish film being an epoxy resin and wherein the surface of the composite material corresponding to said surface finish film is: - extremely flat that corresponds to a surface having an average waviness of less than 25 BYK Gardner wavescan units and - durable that means that said average waviness remains below 25 BYK Gardner wavescan units when subjected to 30 days of a hydro-thermal aging process and below 40 BYK Gardner wavescan units when subjected to 90 days of a hydro-thermal aging process, said hydro-thermal aging process being a continuous series of 12-hours hydro-thermal aging cycles comprising the following successive steps: - starting out the cycle at 20 °C and 50% relative humidity, - during the first hour of the cycle, raising the temperature to 80 °C and the relative humidity to 80%, - during the following 4 hours, keeping the temperature at 80 °C and the relative humidity at 80% - during the following 2 hours, reducing the temperature to -40 °C and the relative humidity to approximately 20%, - during the following 4 hours, keeping the temperature at -40 °C and the relative humidity at approximately 20%, and - during the final hour of the cycle, increasing back the temperature to 20 °C and the relative humidity to 50%. a fiber layer comprised of fibers that form a surface having a fiber pattern thereon; a matrix resin comprising a thermosetting resin in which rubber particles are dispersed, said matrix resin forming a resin surface on said fiber pattern; and a surface finish film located on said resin surface in an amount equal to between 100 and 800 grams per square meter of said resin surface, said surface finish film being an epoxy resin and wherein the surface of the composite material corresponding to said surface finish film is: - extremely flat that corresponds to a surface having an average waviness of less than 25 BYK Gardner wavescan units and - durable that means that said average waviness remains below 25 BYK Gardner wavescan units when subjected to 30 days of a hydro-thermal aging process and below 40 BYK Gardner wavescan units when subjected to 90 days of a hydro-thermal aging process, said hydro-thermal aging process being a continuous series of 12-hours hydro-thermal aging cycles comprising the following successive steps: - starting out the cycle at 20 °C and 50% relative humidity, - during the first hour of the cycle, raising the temperature to 80 °C and the relative humidity to 80%, - during the following 4 hours, keeping the temperature at 80 °C and the relative humidity at 80% - during the following 2 hours, reducing the temperature to -40 °C and the relative humidity to approximately 20%, - during the following 4 hours, keeping the temperature at -40 °C and the relative humidity at approximately 20%, and - during the final hour of the cycle, increasing back the temperature to 20 °C and the relative humidity to 50%. - extremely flat that corresponds to a surface having an average waviness of less than 25 BYK Gardner wavescan units and - durable that means that said average waviness remains below 25 BYK Gardner wavescan units when subjected to 30 days of a hydro-thermal aging process and below 40 BYK Gardner wavescan units when subjected to 90 days of a hydro-thermal aging process, said hydro-thermal aging process being a continuous series of 12-hours hydro-thermal aging cycles comprising the following successive steps: - starting out the cycle at 20 °C and 50% relative humidity, - during the first hour of the cycle, raising the temperature to 80 °C and the relative humidity to 80%, - during the following 4 hours, keeping the temperature at 80 °C and the relative humidity at 80% - during the following 2 hours, reducing the temperature to -40 °C and the relative humidity to approximately 20%, - during the following 4 hours, keeping the temperature at -40 °C and the relative humidity at approximately 20%, and - during the final hour of the cycle, increasing back the temperature to 20 °C and the relative humidity to 50%.