The North Face Men's Thermoball Duo Hooded Jacket, BLACK INK GREEN CAMO PRINT, Large Double layered ThermoBall insulation throughout the torso eliminates cold spots and keeps you warmer Hooded jacket combines two offset layers of ThermoBall to eliminate cold spots ThermoBall offers the lightweight loft, warmth and compressibility of down with the wet-weather insulating performance of synthetics. 15D nylon ripstop with double-layer ThermoBall insulation through torso Water-resistant overlay on hood, shoulders and tops of arms