Instead of just a plain shin guard, let them know you play with a 3D soccer player popping through.
Boy Soccer Player
Soccer logos are one size fits all. They are never greater than 3.25" horizontally or vertically. They are very thin and never more than 5 mm thick and are even thinner when covered by the sock. Soccer TREDCALs are do not work well under very dark socks such as navy blue or black.