Attunement is an opportunity cost.
Wearing +1 armor is a straight uncomplicated upgrade from non-magical armor. The Cloak requires attunement, and you can only attune to three items at a time, so it competes for space with other magical items.
Wearing +1 armor is a straight uncomplicated upgrade from non-magical armor. The Cloak requires attunement, and you can only attune to three items at a time, so it competes for space with other magical items.