The clothing of the Fanseeth reflects its history as a series of prison colonies in many ways. One of the larger ways it manifests itself is in color choices of the upper and lower classes.
Costuming tip: Check out the Fanseeth Pinterest board for visual inspiration.
Monochrome apparel that echoes the uniforms of old is still associated with higher class and power (and is worn as a matter of course by most Vordur and Bondi). Those seeking to rise in station can, on occasion, be made uncomfortable with the fact that their interview clothes look suspiciously like those of the people who beat on great-great-grandma with an electrified baton. Formal wear will also echo this, with sharp lines, muted colors, piping, and jewelry that is based on the ranking sigils of old. It’s considered gauche to wear jewelry of a rank above that of what one’s family achieved, but it common practice to those climbing the social ladder to take on the “rank” afforded them by marrying up.
Costuming tip: If your character is upper class, look for sharp clean lines. A button-down dress shirt will do in a pinch, as will more military-style outerwear. Check out military surplus stores. Add pins and patches. Vests or waistcoats create the right sort of lines, especially if they keep to a relatively monochrome theme. Gloves, hats, and boots (or spats) can add to the look. Even something like a simple turtleneck with a jacket or vest overtop can work for this.
Those who would traditionally be perceived as being “lower class” (namely the Hakal and the Kappi) tend to wear colors with fierceness. No shade is too bright, no riot of hues damned. Needlework and cross-stitch is also something that makes its way into the fold. Common motifs are sigils made up of prisoner glyphs, reindeer, and alchemical symbols representing the elements of what was being mined at a given time. A common social game to play is “spot the rich kid”, tells for which are a nonsense jumble of numbers (or not even setting them into sigilry), or a grouping of elemental markers that make no sense given the mineral compositions of a given mining location. Accessories are often pragmatic (a flask clipped to your belt by a carabiner, or paracord woven into a belt) or otherwise scavenged (spare parts off discarded equipment turned into jewelry), and sometimes even spiritual (rocks from a home moon to connect you to the landvaettir, the symbol of your ship to honor the skipvaettir).
Costuming tip: If your character is lower class, try thrifting some “ugly sweaters” or Christmas sweaters. Look for heavier, bulky, rougher-cut clothing and durable materials. If you want to go the extra mile, add some distressing to give it a heavily worn look. You can use fabric paint or markers to add sigils, glyphs, or alchemical symbols to a shirt, pants, or leggings. Try a trip to a hardware store, get some odds and ends and string them up on cord for a necklace or bracelet.
This goes more for class rank than specifics of group—a Vordur of the lower classes might wear brighter shades, while a Bondi who wants to be seen well by the Vordur will tend to dress in a more muted style.
While layers are common, it’s more for look than need, as climate control is the norm, and is well maintained within the clades. Climate suits being, of course, necessary for heading “out back” or to the mines. It is not uncommon for people to carry breathing masks even within stations, “just in case,” though the degree to which are actually used is open for debate.
Biomodifications and cybernetic modifications are more common among the working classes as a way to make them more desirable workers or more effective in the mines, as pilots, or in processing plants; oftentimes a hakal will receive the mods after getting injured on the job. These mods are usually industrial, emphasizing function over form. When upper class Fanseeth receive mods, they are still functional (even the most bourgeoisie Vordur value function; they are still Fanseeth, after all), but are generally sleeker than the clunky hackjobs afforded by the lower classes. More often, upper class mods aid perception or fine dexterity, or provide mental outsourcing like a computer implant, whereas lower class mods are more like exoskeletons, hardware limb enhancements, or skin protection.