Festivals are special events in Lotro and the fashion conscious resident of Middle Earth will need a well tailored outfit to be seen in.
Head: Extravagant Festival Hat, dyed White (Quest  Gain and Glory: Assist the Rich)
Shoulders: Fine Radiant Dwarf-Make Shoulder Guards (T5 Tailor)
Chest: Long Fancy Robe, dyed White (Mitchel Delving Outfitter)
Hands: Extravagant Festival Gloves, dyed White (Quest  Gain and Glory: Assist the Rich)
Feet: Glossy Leather Boots (Bree and Trestlebridge Outfitters)
Back: Cloak of the Mallorn, dyed White (Lotro Store)