The North Face® Thermoball™ Men's Trekker Vest is the perfect accessory to be worn on it's own, or as a layering piece. Features secure-zip hand pockets, stows in left hand pocket and drawcord and toggles at hem. Exterior: 15D 33 g/m(2)/1.7 oz lyd, 100% nylon with DWR finish. Fill: 11.5 g/ft(2) PrimaLoft® ThermoBall™ synthetic insulation. DWR is applied to the face of the fabric to provide the first line of defense against wet weather. Insulation traps hot air for reduced heat loss and increased warmth. Highly compressible layer for emergency use or travel. Designed to replicate the qualities of down, but retain them even when wet. The North Face® products may not be resold without embellishment.