The Arete Down Jacket is a great value for money, a great insulation piece that has all the necessary comforts. While being great for everyday use, this jacket is also perfect for mountain walking and alpine activities because of the use of Pertex Microlite in the outer shell which is a lightweight, durable and water resistant fabric so it shrugs off rain and snow no problem! Rab use YKK zips in the Arete to make the jacket completely water tight and have storm flaps which keep the wind and rai