Saw one of those cheesy US adverts the other day - where they've thrown mud, paint, coke, mustard on to shoes and shirts that have been sprayed with NeverWet...
http://www.homedepot.com/p/Rust-Oleum-NeverWet-18-oz-NeverWet-Multi-Purpose-Spray-Kit-274232/204216476#.Ud3RnvnU98E
http://www.dailymail.co.uk/femail/article-2359633/NeverWet-spray-coating-REPELS-water-mud-oils-clothes.html
I've never seen this in Australia... anyone seen it? tried it? Is it a gimmick?