Features of the Mammut Women's Aconcagua ML Jacket Very robust, warm, elastic Polartec Power Stretch Pro with super-abrasion-proof nylon surface YKK Vislon front zipper for smooth operation High-quality flat chinguard and zipper underlay 2 Backpack and Climbing-harness-compatible zipper pockets Bonded pocket bags for low friction and clean look High-quality, low-profile thumb loops that close neatly at the opening Polartec power stretch pro Bluesign approved PFC Free Fabric Details Face Material: 57% Polyester, 33% Polyamide, 10% Elastane Face Material: 80% Polyamide, 20% Elastane Main Fabric 1: Polartec power stretch pro