Shoe covers

[BigonaBianchi]

What is the advantage in wearing shoe covers? I don't mean overshoes for wet weather, I mean the lightweight covers tour riders often use. They arn't waterproof as far as I can tell, erm, so what is the point?

Im looking at this
http://www.chainreactioncycles.com/cube-teamline-shoe-cover/rp-prod122284

 

[Soltydog]

slight aerodynamic improvements?

 

[helston90]

Aerodynamics and the rider can wear non-sponsored shoes without everyone knowing.

 

[BigonaBianchi]

ah......wouldn't want to upset my sponsors lol!