Meet the Arc'teryx LEAF Men's Cold WX Zip Neck SV. This cold-weather base layer provides unbeatable warmth and expertly manages moisture. Whether you're out on a mission or adventuring in the frozen outdoors, this heavyweight base layer with a zip-neck provides thermal efficiency in chilly conditions. Its quarter-zip closure not only enhances ventilation when wearing plate carriers but also makes donning and doffing easier. Experience remarkable comfort with our flatlock seam construction and gusseted armpits that give you full, unrestricted motion.