When conditions get colder during a winter excursion, you don't just grit your teeth and suck it upinstead, you add warmer clothing and keep enjoying nature! Down pants are great for active use in severe cold, and in lightter frost they are great for use during breaks and at camp. The Argon pants pack down small, insulate exceptionally well, and weigh next to nothing in your backpack or sled. Down is the go-to choice for cold, dry conditionsat its best when moisture isnt an issue but maximum insulation is needed. - Surface fabric: Pertex Microlight - Filled with European goose down, treated to repel water (Nikwax Hydrophobic Down) - Down Fill Power: 800 - Amount of down in size L: 160 grams - Integrated belt - 2-way zip at fly