The North Face Men's Thermoball™ Vest has streamlined PrimaLoft® ThermoBall™ baffles contoured to fit your body, maintain your core warmth while winter camping in cold, wet weather with lightweight insulation technology. This vest uses ThermoBall™ clusters that trap and retain heat to achieve phenomenal warmth in cold, wet weather. Wear this thermal vest as a mid-layer for added warmth on the coldest winter days, or pack it for emergency protection in the backcountry.

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