Jagiellonia Białystok 2018/19 Track Top Errea Martin Kostal #77 [S] Player Issue

Original Jagiellonia Białystok training sports top from the 2018/19 season.
Made by Errea, player-version track top with number 77, worn at the time by Martin Kostal.
Shirt in good+ condition, a few small bobbles on the fabric.