When you get into sPvP you receive a full-set of abilities, trait points and gear, I see you can change the runes from your gear and one acessory, but I don't see any gear progression as your glory rank passes. So, how does this work?
Glory rank progression shows how much time you played in PvP. How much experience you have, how well you might fare. And the reward is better looking skins. This seems kinda meh, but this way you can't rely on gear difference to win battles. And at the same time, you won't be beaten to a pulp by a less skilled player having an extra-powerful axe (read, Shadowkofmourne). All that matters is skill.