Originally Posted by
Vektrat
What the others are trying to say is that you need PvP level 30 to equip level 90 PvP gear. Grinding to 30 is a long way, for someone who plays an insane amount of time they might be there, for someone who plays a lot, they might be half way, the rest are far from it (for you to have an idea, at about 450-500 matches assuming 50% win rate, you'd still be around level 18, and it doesn't progress linearly.
Besides that, you need to buy ilvl90 pvp gear, if you have been saving and only focus on one class it won't be an issue though.