Product details:
ThermoBall powered by PrimaLoft synthetic insulation retains loft and warmth, even when wet. ThermoBall offers the lightweight loft, warmth and compressibility of down with the wet-weather insulating performance of synthetics. Isulated jacket achieves warmth in cold, wet weather. Hem cinch-cord system in hand pockets. Zippered hand pockets. Internal elastic cuffs. Stows in hand pocket. 15D 33 g ThermoBall powered by PrimaLoft --100% nylon insulation.