Re: 28 Degrees Mastercard
Hi,
You will pay fees that the ATM provider charges, but 28 degrees won't charge you for withdrawals or currency fees. They will charge you for cash advances if you exceed the amount on the card, late fees etc. There is lots of info in the thread Jessica refers to above.
I used mine for the first time on a trip to Hong Kong and China last month, and it works just like it says. i'm glad I've got it.
One other thing to note - you may get asked to select a currency when making transactions overseas. Always pick the local currency, otherwise the vendor will charge you a poor rate and transaction fees.
Hope that helps