According to @zsneakerheadz and @soleheatonfeet, the "Atmosphere Grey" Jordan 13 is set to release during the first quarter of 2019 with a $190 price tag. While no official images for the upcoming retro have surfaced, seen on the mock-up below is atmosphere grey covering the upper, with university red accenting the sockliner and midsole, atop a black outsole.
UPDATE (2/27): Official images of the "Atmosphere Grey" Air Jordan 13 Retro via Nike.
Air Jordan 13 Retro "Atmosphere Grey"
Release Date: 03/23/19
Color: Atmosphere Grey/White-University Red-Black
Style #: 414571-016