It looks like you're new here. If you want to get involved, click one of these buttons!
Overall not very much info was released but it has been confirmed that the majority of NPC armour and clothing is wearable by players e.g merchants garb, blacksmith's apron etc
http://comic-con.gamespot.com/story/6270906/guild-wars-2-uniting-behind-community/?tag=gs_news