How Much Is Helly Hanson Down Jacke Repair?
How Much Is Helly Hanson Down Jacke Repair? Is Helly Hansen durable? OUR HELLY TECH® SYSTEM HELLY TECH® is a tough weatherproof outer layer, specially designed for the harshest conditions. It is a combination of a DWR-treated outer fabric, a highly breathable and waterproof membrane, and often a highly breathable inner fabric, mesh or lining.