The product code DX8774-010 refers to the Nike Portland Trail Blazers Damian Lillard City Edition Jersey.

Here's a summary of what's known about this jersey:

Player: Damian Lillard number 0

Team: Portland Trail Blazers

Edition: City Edition

Brand: Nike

Color: Likely features the City Edition design colors, which could vary from season to season.

Material: Often made with Nike's Dri-FIT technology, which helps wick away sweat.

Mens size small - 40 Christmas Edition jersey