water world stunt show costume

[Maraner94]

does anyone know what material these pants are made of and where you can buy it?

http://i.dailymail.co.uk/i/pix/2014/01/15/article-2539815-1AAD55E300000578-915_306x423.jpg

http://insideuniversal.net/wp-content/uploads/2014/01/waterworld.jpg