Muji sometimes has, the linen one I got this summer is no longer in stock, but this one is up now: https://www.muji.us/products/womens-quick-dry-broadcloth-3-4-sleeve-patterned-dress-bc2k424a Quince might have what you're describing! https://www.quince.com/women/tencel-rib-knit-longsleeve-dress?color=navy&gender=women&tracker=collection_page__women%2Fdresses%2Fmidi-dresses__Midi+Dresses__38&qpid=_d7znadz8q Uniqlo also: https://www.uniqlo.com/us/en/products/E469341-000/00?colorDisplayCode=59&sizeDisplayCode=003 Never bought from these but follow a stylist who recommends the following brands so I did a bit of exploring for you: (note: not a ton of options for modest clothing at many of these) https://shopfavoritedaughter.com/collections/dresses/products/the-millie-dress-black?variant=43053626851511 https://www.ableclothing.com/collections/dresses-jumpsuits/products/lilith-rib-knit-dress?variant=43097027674302 much more expensive: https://annemulaire.com/products/monelle-print-dress-spirit-of-the-north https://atelier-b.ca/en/collections/robes/products/robe-jersey-6054w?variant=44302300807403 wanted to include some linen--seems you can customize to lengthen a bit https://cedarandvine.net/en-us/products/ruffle-dress https://elizabethsuzann.com/collections/dresses-jumpsuits/products/long-sleeve-kara-snap-dress-in-midweight-linen?variant=43086043250857 Ok this is long enough, I'm having fun so might do more but I'll comment on my comment rather than make this a mile long More on reddit.com

I just bought this dress and it fits well on me and I'm 4'11. It's gonna be my running around Europe dress, but it can definitely be a wfh/errand dress. Linennaive in general has gorgeous dresses More on reddit.com

I have this and love it: https://www.royalrobbins.com/us/en-us/women/dresses-skirts/dresses/spotless-traveler-dress-ss/?v=Y326007::840265851012 More on reddit.com

Chambray shirt. A little slouchy but if that bothers you, you can knot it at the waist. More on reddit.com