The North Face Men's Aconcagua VestDESCRIPTION: Keep your core warm without loosing heat in The North Face Acocagua Vest constructed with 550 fill down insulated jacket that features a baffled construction to prevent cold spots and ample synthetic insulation at the sides. FEATURES: Classic 550 fill down vest with synthetic insulated side and shoulder panels Relaxed fit 550 fill goose down (certified to the RDS by Control Union) throughout body and sleeves; 150 g Heatseeker insulation