Level 30 Armor?
This game isn’t really about the armor. It’s more about class mechanics and how you play to that effectively. Mesmers are not good at tanking damage, no matter what armor set you use – it’s about using illusions, shattering them, and just getting out of harm’s way in general.
That said, the armors in this game really serves to supplement a build (combination of traits, utilities, and weapon choices).
A build can be centered around direct damage, condition damage, defense, vitality, etc. So to choose the armor that would best supplement that, I’d say you should learn about the various attributes (Power, Precision, Critical Damage, etc.) and make your choice based on your play style and build.
The armors in this game follow a rule in the names. Basically there exists certain combinations of attributes on a given piece of armor (e.g. Power, Precision, Critical Damage), and that “kind” of armor has a name (in the example combination given, it’s Berserker’s). There are many combinations, and the following link should help you figure out what to search for.
http://wiki.guildwars2.com/wiki/Item_nomenclature
If you’re new, it’s effective to just buy Masterwork items (green text in the names) until you’re around level 60-70.
(edited by MysticHLE.7160)
I don’t know the name exactly but you can filter your search! On TP filter for armors at your level, that should narrow it down nicely. As for stats I would advise you to get more berserker stats (pow/prec/crit damage) and practice your kiting. It’s an invaluable skill, especially as a mesmer as we normally don’t really get much tougher.
Use what you get from story rewards/looting and save the cash for now.