The North Face Womens Thermoball Snow Jacket polyester Classic mid-layer jacket has a flattering cinched waist and features our new PrimaLoft ThermoBallTM insulation Round ThermoBallTM clusters trap and retain heat to offer the lightweight loft, warmth and compressibility of down along with the versatile wet-weather insulating performance of synthetics Water resistant, breathable Zip hand pockets Pre-cinched waist detail