Description of The North Face Aconcagua Jacket - Women's Though it may be difficult to pronounce, there’s no doubt that The North Face Aconcagua jacket is a stylish down jacket that will keep you warm when the Earth moves from hot to cold in the blink of an eye. Its 550 fill down insulation coupled with DWR coated satin nylon make you feel right as rain even when you’re in it. The North Face Aconcagua is a luxurious, down-filled insulating jacket constructed for warmth and comfort. Features: Body: 50D 95 g/m² (2.8 oz/yd²) satin nylon with DWR Insulation: 550 fill down 25" length 710g (25oz) Brushed internal collar Two hand pockets Interior stow pocket Hem cinchcord