The Rams will sport mustard yellow jerseys and pants with navy blue accents, as well as a blue helmet with yellow ram's horns on the sides.
IT'S BACK!!— Los Angeles Rams (@RamsNFL) September 19, 2017
Thursday Night Football. Color Rush. pic.twitter.com/ouLiGCf0AL
The Niners are going with an all-black look with red accents and a gold helmet.
Kickoff for Thursday's game between the two NFC West rivals is set for 8:25 p.m. ET.
-- Alex Tekip