The Haglofs Men's Bivvy II Hooded Down Jacket stuffs inside its own pocket so you can take it anywhere cold. Its 700 fill down insulation has a phenomenal warmth to weight ratio to warm you up without weighing you down, and Haglofs treated the down with DWR to stay warm when wet. Haglofs also treated the Pertex Classic Eco shell with DWR to shed snowflakes and raindrops. Pertex Classic Eco is highly durable, abrasion resistant, windproof, and fully recycled. An articulated fit makes sure you can ski and climb with ease. There are elastic cuffs and adjustments at the hood and hem to seal out the cold.