Cloak of Sails 2014
Wondrous Item, uncommon, (requires attunement)
The interior of this simple, black cloak looks like white sailcloth. While wearing this cloak, you gain a +1 bonus to AC and saving throws. You lose this bonus while using the cloak's Sailcloth property.
Source: Vault of Magic (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details