Updated with streamlined PrimaLoft ThermoBall baffles contoured to fit and flatter your body, the insulated The North Face Men's ThermoBall Vest will maintain your core warmth in cold, wet conditions. TNF's synthetic insulation technology features round ThermoBall clusters that trap and retain heat to achieve phenomenal warmth without weight. Wear the thermal Men's ThermoBall Vest as a mid-layer for added warmth on the coldest winter days, or pack it for emergency protection. Benefits: Insulated: Insulation traps hot air for reduced heat loss and increased warmthDurable Water Repellent: DWR is applied to the face of the fabric to provide the first line of defense against wet weatherPackable/Stowable: Highly-compressible layer for emergency use or travelFeatures: Quilted thermal vest insulated with packable, ultralight ThermoBall is an ideal mid-layer on wet, cold days Thermoball powered by