Perils of Fashion is a Side Quest obtained at Carderock Pass.
P.S. After completing this quest, your friendship with May will increase.
This quest is one of the unlocked quests after completing [Friendship Quest] The Master Saleswoman.
May (Carderock Pass)
Forest Sanctuary (Ashen Ruins)
1. After the talk, you will need to retrieve the Dress in Forest Sanctuary. Defeat any Ancient Temple Dark Elf to obtain "Avant Garde Dress". Return to May to complete the quest.