you can consider one of the 3M scotchgard sprays... they have different products for fabric, leather/suede etc. i'm using the fabric spray for my skate shoes. you should be able to find them in diy or hardware shops.
i hoot the wroofspray or something sound lidat
hooted quite cheap at 10 dollar. most ppl sell 15 17 19 20
think i try when my hoots arrive
Is it recommended to get a shoe cleaner as well?