I was the same, loads of going out stuff and my job has gone significantly more casual wear since covid.
I hit vinted hard. I sold a fair bit and got about £250. Shoes sold well and bags. I really emptied my wardrobe and tried to be midful when buying new stuff to buy things that actually formed outfits and co ordinated each other, where previously i had so much random shite and nothing to wear.
I like the outdoorsy/ sports casual look but am aware i need to be appropriate for my age and size. (18)
From vinted I got:
I bought a patagonia coat for £15. Small rip by pocket that i repaired and you cant notice.
Black converse boots
white converse pumps
Black chunky boots and loafers
Dogtooth wide leg oliva bonas trousers
Black wide leg m and s trousers.
Black next slim fit cargo pants.
Navy blue chinos. Cant remember where from... prob m and s.
Then I hit sainsburys TU and got:
Combat khaki trousers
Grey joggers
white joggers
Grey and white fine knit hoodies
2 fleeces, one overhead,one short jacket.
Khaki blazer
I already had black oversize blazer and white shirt. Leggings.
A Black vest and white vest top
One black and one white long sleeved t shirt.
Ive decided i look poo in dresses and my ND is triggered by tights so skirts are out. Jeans too so got rid of them.
Ive stopped wearing jewelry apart from my watch, a silver ring and silver studs.
I feel much more put together and im finding that i have loads of outfits.
I also already had an oversize denim shirt, denim jacket and some striped mens shirts.