Just picked up an XL at Self Edge SF and love it. I expected to be an L, given I wear XL in IH shirts and most have said to size down on the N1. But XL is a really nice fit -- a little big with a tee shirt but perfect with a long sleeve shirt or flannel.
Appreciate that IH chose not to line the sleeves with alpaca. The quilted satin lining is perfect -- less bulky and more comfortable. Do wish the interior pocket was a little bigger but still glad it's there.

Also good to know that UHR stretches back to, but not beyond, original measurements. Different for once-washed 21 or 18oz., of course, which will go past original under pressure.