Stay warm while hiking in The North Face Men’s Aconcagua 3 Jacket, a full zip insulator that expertly blends down and synthetic insulation. The main body features a 50/50 mix of 600 fill recycled down and recycled polyester. The side panels and underarms use 90% recycled polyester sheet insulation. Together they give a perfect combination of body-mapped warmth even in wet weather. It also boasts internally elasticated cuffs to seal in the heat and zipped pockets to stow your phone.