Columbia Heatzone 1000 TurboDown Hooded Jacket - Men's Nylon, Elastane Part of the Columbia Titanium Collection. Shell fabrics include 4-way stretch, 2-layer Cyberstretch MP 87% nylon, 13% elastane fabric and 100% nylon ripstop. Omni-TECH waterproof/breathable and critically seam sealed performance. Lining is Omni-HEAT Reflective 10D ripstop, 100% nylon. Insulated with 1000 TurboDown Wave insulation which includes 900 fill power water-resistant down combined with 100g Omni-HEAT Thermal insulation giving you the benefits of down and synthetic while reducing cold spots.