HELLY HANSEN. 53314990. W WELSEY II TRENCH INSULATED. BLACK. Enjoy this Scandinavian take on a longer women s trench coat. Without compromising style we have bumped up the functionality and created a modern insulated HELLY TECH jacket for the city that is warm waterproof windproof and breathable. Classic styling and rich detailing makes this coat unique. Stand-out technical solutions with full zip closure and ventilation prepare you for a busy day and unpredictable weather.