One of kind of nifty things is that the end user can take individual pieces of clothing, and interchange them with other stuff, for a whole new look. For example, the jumpsuit comes with individual undergarments 
This outfit ended up being one of my best sellers to date.
Something is off with this texture, and I can’t put my finger on what…
Aside from a bad render and unfinished sleeve cuff.
it’s supposed to be ‘new only worn for a week at the most, red, workman clothing, with reflector strips in specific spots’
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stunning work:)
As a suggestion and being a novice I could be way off but maybe the specularity of the non-reflective cloth is too high… its shiny in places that give it more of a plastic/syntheticl look rather than softer organic fiber some overalls are made off.
Conversely you might consider a material/texutre change for the reflective strips and even raising them up off the mesh a little as these pieces are usually added after the garment is made rather than incorporated as part of it.
Just random thoughts, please take with a grain of salt.
Btw love the “scratches” as you fondly put them has given me some great inspiration for my own work keep it up!!