Expensive,weigh a kilo each when wet.
However they stick to pedals like censored to a blanket[/quote
how/when would you get sh!t on a blanket?
i was thinking at a picnic, but you'd have to be very silly to not do a pre picnic poo sweep!
Vans with a waffle style sole
Do a search for opinions on each. This has been covered a few times.