The uniform used by Solas Tempus is based on original uniforms worn by Starfleet Intelligence at the inception of Solas Temps. They are composed of one of 4 variations of the uniform. Each uniform has 4 primary elements to it to signify a particular persons rank and position.
Organization
Much like in a standard Starfleet uniform the Solas Tempus insignia combadge is on the right side of the upper chest area.
Division
Shoulder patches on either side signify division and unit. Each particular vessel, station, etc. has its own patch that goes on the right shoulders. The left shoulder is that of arm of Solas Tempus to which the person is assigned, Blue Team, Gold Team, or Green Team. These colors also determine the color of the uniform.
Rank
Along the top left section of the chest are the rank insignia.
Pocket Watch
A Temporal Operative also has a pocket at the waist for their Temporal Operative Pocket Watch, under the uniform's jacket.