The Aconcagua hoodie has down baffles optimized for a great combination of insulation and freedom of movement. A good choice for both everyday use and as a break or camp jacket for winter hiking. The fill includes both down and synthetic fiber that doesn't flatten as easily in the sides and armpit area. - Insulation in main panels: RDS certified down - 90% of the insulation polyester is recycled - Insulation in hood, sides and armpits: polyester sheet insulation - Recycled, windproof and breathable outer fabric - Two zippered hand pockets - Elastic cuffs - PFC-free product