Arc'teryx Phase SV Zip-Neck Top - Men's - $84.95

When the thermometer drops outside and you know you'll be both chilled and working up a sweat outside, slip on Arc'teryx's warmest weight baselayer top'the Men's Phase SV Zip-Neck Top. While this top warms your core, a quarter-zip opening allows you to vent away heat at your chest and soft Phasic fabric aids temperature regulation at the underarms. - $84.95