For the "but pro-cyclists wear them"...

[martint235]

Here is a tongue in cheek blog.

 

[Spinney]

Excellent!

 

[classic33]

One available here
http://www.ebay.com/itm/G-FORCE-Dri...rts&hash=item19e163d2e3&vxp=mtr#ht_1542wt_808

 

[classic33]

And if you like your feet cool
http://www.ebay.com/itm/RJS-20204-L...e_Car_Parts&hash=item4d108a3a13#ht_1552wt_808

 

[ufkacbln]

But don't forget ..................

As soon as you start pointing out sensible and logical arguments, the discussion will be closed down to cyclists and how anything to do with motorists, pedestrians etc is difficult to argue against an irrelavance and excluded.