This is very good one, and i think Perú doesnt has black kit, so would be unique in NT (River Plate has the black one) and as i said i would change the PZPN logo for the eagle, and in the back in the neck i would change those lines and i would write a polish word. And in the front i would remove the logo of the ball, and i would put in the bottom of the t-shirt the logo that say Polska with the wing and the ball (the one that is in the short)with the word Polska in white to could be more seen in the black t-shirt