I personally like the Voormi High-E Hoodie for a mid layer. It checks all the boxes for me with a good hood, 1/4 zip, thumb holes, kangaroo pouch hand warmer, and wool blend so it doesn't stink so much. It also has a bit of water repellancy. It's my understanding that they plan on releasing it in their camo patterns this fall as well so I'll be picking up another when they do. All that said, it's expensive and heavier than most fleece mid layers so if backpacking I'll often take a First Lite Klamath or Kryptek Sherpa fleece instead. All have grid fleece, 1/4 zips and good hoods. The First Lite is missing the thumb holes which I really miss on that piece. Of the three the Voormi is definitely the warmest.
I've also used an old military issue grid fleece that I've beat the crap out of and it's still holding up. I don't like the fit on that nearly as well and it doesn't have a hood but I think I paid like $25 for it and at that price it's a fantastic value.
I've never owned a Patagonia R1 but wouldn't mind trying one at some point as it felt like a quality mid layer when I looked at it at REI.
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