Maintenance for the week of May 13:
• [COMPLETE] ESO Store and Account System for maintenance – May 14, 9:00AM EDT (13:00 UTC) - 12:00PM EDT (16:00 UTC)
You may also want to look at the Arena Gladiator Costume. You can get it by collecting merit badges in PvP or buy it from a guild trader. The helm is also available.