I've got some Blowfish non-leather boots ( I had a pang of regret not buying some sage green lace up boots in a Vegan Footwear shop in Brighton so bought the Blowfish ones -in tan)
I've only ever worn them with jrans TBH , luckily they have a side zip otherwise it would rake me a week to put them on, I;m 56 yo
DMs wouldn;t suit my horribly narrow hypermobile feet but my Mum used to wear the shoes when she worked ( bakery , on her feet all day ) she loved them !