Footwear structure comprising a footwear unit having an upper and a sole, and an electronic light system integrated in said footwear unit, wherein said upper and said sole are constrained to one another and wherein said electronic light system comprises a power source, a programmable light screen, a connecting port, first connecting means extended between said programmable light screen and said power source, wherein said first connecting means comprise first cables with no interruptions for continuously and directly connecting said programmable light screen and said power source, and second connecting means extended between said power source and said connecting port, wherein said footwear unit is equipped with a through opening extended on said upper or on said sole, wherein said programmable light screen overlaps said through opening from an outer side of said footwear unit, characterized in that said through opening includes a first section and a second section wherein said second section branches from said first section, wherein said first section of said through opening has length (I') equal to or greater than the height (a) of said programmable light screen, wherein said first section of said through opening has a height (a') equal to or greater than the thickness (s) of said programmable light screen, the opening being suitable for, during the implementation of the footwear structure, the passage of the programmable light screen in the first section, and the passage of the first connecting means in the second section, when the programmable light screen overlaps the through opening for being combined to the outer side of the footwear unit. wherein said upper and said sole are constrained to one another and wherein said electronic light system comprises a power source, a programmable light screen, a connecting port, first connecting means extended between said programmable light screen and said power source, wherein said first connecting means comprise first cables with no interruptions for continuously and directly connecting said programmable light screen and said power source, and second connecting means extended between said power source and said connecting port, wherein said footwear unit is equipped with a through opening extended on said upper or on said sole, wherein said programmable light screen overlaps said through opening from an outer side of said footwear unit, characterized in that said through opening includes a first section and a second section wherein said second section branches from said first section, wherein said first section of said through opening has length (I') equal to or greater than the height (a) of said programmable light screen, wherein said first section of said through opening has a height (a') equal to or greater than the thickness (s) of said programmable light screen, the opening being suitable for, during the implementation of the footwear structure, the passage of the programmable light screen in the first section, and the passage of the first connecting means in the second section, when the programmable light screen overlaps the through opening for being combined to the outer side of the footwear unit.