Literally, it is in reference to the Reebok Classic shoe. But essentially, it refers to those kicks you have stomped through everything while wearing, i.e. those sneakers that you need to replace, and needed to for a long time, but yet you hang onto them...and still wear 'em...
(literal)
I'm kickin them Icy White Soulja's
(figurative)
bitch I've ran to death in my soulja's
ran from the cops in soulja's
got a blunt tucked tight in my soulja's
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)