My Nepal Evos came with crappy things that gave me pain along my instep. I got Superfeet for them and although they were pricey, they are good and can be used in other foot wear too,
> Likewise - Superfeet. You can also get merino ones that are very cosy.
+1 - I use their 'winter warmer' (or similar) ones, though I'm not sure if they still make them. The merino ones would probably be a good alternative if not
