i am an average build dude (72kg and just shy of 5'10") and have room under that M for a tee and a fleece. though couldn't go really bulky fleece but as normally only worn while doing outdoory stuff that isn't necessary. has an excellent warmth to it for its lightness.
i am an average build dude (72kg and just shy of 5'10") and have room under that M for a tee and a fleece. though couldn't go really bulky fleece but as normally only worn while doing outdoory stuff that isn't necessary. has an excellent warmth to it for its lightness.