Comfort first + quality material / well made + function + good colour combination as a whole + same selection of colours that suit me or I like + focus on a good fit and styling (i. e. fits that suit my bodytype than what looks nice on a figurine)

Subjectively speaking, I used to gravitate towards alternative looks (esp. in teens), but I always felt awkward if it made me stand out too much. I don't care about trends at all, but I care about the style fitting a "blueprint" that I seem to be sticking to all the time. Would be very uncommon for me to change styles or clothing fits than what I'm already used to.

Concrete examples of likes; esp. prolonged hoodies, simple one colour tee or a gaming tee if there's a motive I like, bell pants which are oh-so out of fashion nowadays or straight'ish, shorts > skirts, shoes with a solid sole that doesn't go old after 2 years of a wear (skate shoes are great for this) or boots

... of dislikes; laced stuff, dresses, heels, anything that isn't soft to touch, prints with random stuff, fashionable stuff degrading function, sportwear, business/formal look, ...

/essay