On the site https://www.ramtrucks.com/bmo.ram_2...W7,X8,ESB,DFX,DME,Z2D,TWD,WDA,TX,UAA,2GA

Where you option and build out a truck they call its a "Rear Sliding Window".

Tradesman Level 2 Equipment Group
$1,745

Black Exterior Mirrors
Cloth 40/20/40 Bench Seat
Exterior Mirrors with Heating Element
Carpet Floor-Covering
Overhead Console
Overhead Cupholder-Lamp
Power-Heated Mirrors with Fold-Away
Power Windows with Front One-Touch-Down Feature
Rear Sliding Window
Remote Keyless-Entry
SiriusXM® with 6-Month Radio Sub Call 800-643-2112
Speed-Sensitive Power-Locks
Upgraded Door Trim Panel
Active Noise-Control System (Unavailable with some configurations)
Front Rubber Floor Mats by Mopar® (Unavailable with some configurations)
Front Floor Mats (Unavailable with some configurations)