Alpinestars Jeans

I am now the owner of a new pair of riding jeans made by Alpinestars.These are not yet available in Australia (well not in Brisbane so far as I know), I ordered them from the USA via ebay. Similar jeans by Draggin cost $199 here, so at $99US these might be good value.The have a lining in them that is not kevlar so they are more comfortable - tear wise however I do not know how this liner