Joined: Dec 2004
Posts: 12,545
Likes: 797
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
In my experience, foot/shoe odor indicates an athlete's foot problem. Dry the shoes in direct sun, then treat them and your feet with anti-fungal.
Re-using dirty clothes just begs for problems, whether socks or shorts. Don't do it.