Streamlined ThermoBall powered by PrimaLoft baffles are contoured to fit the wearer's body and maintain core warmth during winter excursions in cold, wet weather. Recipients can wear this thermal vest as a mid-layer for added warmth in the coldest winter days or pack it for emergency layering in the backcountry. Made of 15 denier 33 g/m2 100% nylon with durable water-repellent (DWR) finish with 11.5 g/ft2 PrimaLoft ThermoBall synthetic insulation. It has secure-zip hand pockets, stows in left hand pocket, hem cinch-cord and contrast embroidered The North Face logo on the left hem and right back shoulder. DWR is applied to the face of the fabric to provide the first line of defense against wet weather and the insulation traps hot air for reduced heat loss and increased warmth.