PX

I've had a pair of B&W PX (The OG B&W Bluetooth pair with real leather pads) since 2018 and have used them in the heat, cold, sweaty, snowy etc and they still work flawlessly. Pads are still in great shape. I'd stick with real leather if I were you.

Got my pair of the McLaren edition yesterday. Had the original PX, Px7 and P3s. In between all that I bought the Sony series and Bose. The Px8 s2 is the biggest upgrade I’ve ever experienced. It’s on a level I never thought was possible. The engineering must have been done using 2000 agentic designers. How they’ve managed to perfectly balance the soundstage … every detail is there. Every detail punches you in the heart. I’ve fallen in love with music, again.

PX8s are great, I agree although the leather on the earcups is a bit scratchy. I'd suggest you to listen to original PXs which sound even more natural and detailed imo, although they lack a bit of bass. They don't sell anymore, but if you'll ever be able to listen to them, I'd suggest you to take a chance

I use the Denon D9200 daily. B&W PX when I'm wandering around, doing stuff. I also use the Meze Empyrean (almost) daily, but you might consider those bulky.

Bose QC line and B&W Px line for me are the most comfortable headphones and they have pretty similar architecture and just differ in build quality. I don't find the Sony line very comfortable as the headbands are not extremely well padded and the earcups are really shallow.

I’ve got a pair of B&W Px series that I use for air travel that I like. I gave my wife my Bose ones after I got them. Good sound quality, good noise cancelling, comfortable, come with a nice case for travel. Can find them on sale or used in your range if that is an option.

M4; I find the the Px series muddy and shrieky; the S3 is better than prior gens but still not great (and can’t fix it without a third party tool).