The modern men's winter jacket includes clean design lines with state-of-the-art technology. The jacket is made of a lightweight, highly breathable, waterproof, stretch outer fabric HELLY TECH® Professional. The jacket uses Primaloft® Insulation with body mapping philosophy to keep you warm in just the right areas, and the highly innovative H²Flow ™ turbocharged mechanical venting keeps you dry, warm or cold, depending on outdoor conditions.