Description of Marmot Storm King Jacket By using high performance GORE-TEX® WINDSTOPPER® Softshell and listening to advice from the world's best heli-ski guides, we melded softshell versatility with clean lines and functional features to create the ultimate ski jacket. Features: Weight: 1lb 14 ozs / 851 g Shell material: Extend N-340S Windstopper® Shell 2L Lining: Diamondback P-465 Insulation: Primaloft® Sport Gore Windstopper® Rib vents Ventilation Zippered sleeve pocket Adjustable drawcord hem Performance Ski lining Zip off flex powder skirt Fabric update New silhouette Lighter weight. Primaloft® insulation Patented Synthetic Down, produces the closest synthetic to down in terms of structure, warmth and feel. The only insulation that treats each fiber with a permanent water repellent finish. Twice as warm for it's thickness than other insulation. Windproof, water resistant, and breathable fabric protects you from mild conditions so you stay comfortable Zip handwarmer pockets soft fabric to warm hands Angel-Wing Movement™ allows full range of motion in arms so jacket doesn't ride up