Marmot Men's Alpinist Hybrid Jacket PolartecPower Stretch Pro 53% Polyester, 38% Nylon, 9% Elastane 7.2 oz/yd - 65% Nylon, 20% Polyester, 15% Elastane Stretch 7.4 oz/ yd - Primaloft One - Patented Synthetic Down, Low Bulk, Warm, Water Repellent - 100% Nylon Double Rip 0.9 oz/ yd Imported Zippered Sleeve Pocket Primaloft One Insulation in the Front Polartec Power Stretch Pro Sleeves, Back & Hood Underarm Thermo Regulating Panels Zip Hand Pockets