Birkenstock Boston - I went down one size and took a size 41 (8-8.5). I have other Birkenstocks that are size 42 (9-9.5), but I found the Bostons fit a bit long
Patagonia Regenerative Stand Up Shorts - from a few years ago. Same cut as their Heritage Stand Up shorts. TTS
Oxford Big Shirt - size small, went down one size and still a comfy relaxed fit. I have a medium that’s quite oversized