In contrast, it is a more insulating garment, and often has a material that is windproof and water-repellent. They are intended to provide maximum heat, while keeping the lowest possible weight and package volume. The light down jacket from our Senja collection is perfect for a summit trip, but also fits well as a warm jacket in everyday life. If you are a real freezer, jackets like Oslo Urban Down Unisex Parka or Expedition Down Unisex Parka can be a good choice.