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Gear Review

5 5

Didn't have to size up

As reference, this fits similarly to the Patagonia R1 full zip and retro-x vest where I'm a medium (5'10, 165 lbs, 32 waist).
If the vest is layered over the R1, the R1 hangs about 1 inch longer in the back. So the tech vest runs short and will have a very slimming look, but nothing I would complain about.
I initially ordered a L but it was a bit too baggy, particularly around the stomach.
This fits close to the body so I can't put a thick hoody under it, but this layers very well over a t-shirt and light midlayer, and under a ski jacket.
If you have a gut, then I'd order a size up, but otherwise, get your usual size.
Quality is great as expected from MHW.

Responded on

I am 5' 8" about 172 lbs. I'll for the most part where it for a trailrunning piece with a mid/heavier weight base layer under and as a mid- layering option when climbing(under a hardshell). Would you think a medium is the way to go for me?

Responded on

I'd probably go with a medium.
The arm holes aren't too constrictive, but it's not exactly baggy under there. So if you have huge lats or triceps, it may get snug. The waist hem area is probably the next area to get tight, but it just depends on how your weight is distributed on your body.