Blue coat with a wide gray piping around the circumference and to the neck cuff, up the middle of the jacket front. Has silver and gold bullion thread with the 1st and COLO above and below the crossed rifles of the infantry, respectively. Also the same for the U. S. V. for United States Volunteers. Silver and gold bullion thread for the rank epaulet of captain. Black threaded patch pinned to uniform which has COLORADO in silver on it.