You are Looking at a Sonics Jersey. Grades at 8/10.   Not a crappy Euro knockoff. Tagged a size 40, may fit size Medium or Smaller(Depending on how tight/loose you wear your clothes)....Read Measurements(compare them to a piece you own and you will get an idea of how it might fit)....My actual measurements are as follows.  Top to bottom,26".  Across the chest, from pit to pit,20".