This jacket is sensational for cool, cold and light rain. I have the Heron color and the style and feel of the jacket are great aesthetics.
In the alpine areas I've worn a Rab Meco baselayer underneath in 15-40F and felt cosy without overheating. Light rain beads off in a reassuring way. Unlike my Atom SV, the Nuclei fits neatly under either of my Super Pluma or Shift hardshells, and it would fit
This review was written in the old system and had content requirements that are different than reviews written today.