Did you know that the best insulation in the world is... air? Birds know it well, and their feathers and down enable them to retain a layer of air against the skin to benefit from the best insulation there is! Among the best insulated Mountaineering clothing , down jackets constitute an excellent choice to be protected from the cold. Both a natural down or synthetic insulation fill traps a great air quantity for optimum warmth. Long gone are the days when a down jacket was only suitable for an urban lifestyle use, some very thin and lightweight models, now enable to enjoy great mobility and excellent thermal comfort. Some mountaineering down jackets feature a water repellent finish, some have a hood. All are the result of committed research and development from brands such as Millet, Patagonia or Mammut to answer the needs of alpinists looking for performance equipment. Come and discover our mountaineering down jackets, they will guarantee you the best possible conditions to climb the highest summits and keep your body warm and your will strong.