The Helly Hansen Swift men's 3-in-1 insulated jacket features a useful and versatile multi-layer system. Those garments are perfect to be worn together in cold, wet conditions or separately based on the weather and your activities. The outer shell is covered with a Helly Tech® Performance waterproof and breathable membrane, while the inner jacket features synthetic insulation to help you stay warm and comfortable. The zip-out insulator jacket is interchangeable with all Helly Hansen CIS 3-in-1 layers.