The North Face - ThermoBall™ Trekker Vest. NF0A3LHD.
Streamlined ThermoBall® powered by PrimaLoft® baffles are contoured to fit your body and maintain core warmth during winter excursions in cold, wet weather. 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.
15D 33 g/m2 100% nylon with durable water-repellent (DWR) finish