Arc'teryx Phase AR Crew LS Features:
The Phase AR Crew from Arc'teryx is a mid-weight, multi-purpose baselayer for use in cooler temperatures. The Phasic fabric offers exceptional moisture management and temperature regulation whilst the odour resistant treatment means that you can wear the top on consecutive days. The Arc'teryx Phase AR Crew is ideal for snow sports, mountaineering and general cold weather sports.
Light, breathable, and well made quality.
Absolutely perfect baselayer.
So breathable, so light, and in perfect fitting.