Whether as an insulation or outer layer, this down jacket keeps you warm in harsh mountain conditions in the lightest possible form. Its incredible warmth-to-weight ratio is achieved with an ultralight, durable outer material made from recycled nylon with a weather-resistant coating and its filling of responsibly sourced, hydrophobic 850-fill down, which also provides insulation in wet conditions. Cleverly placed, synthetic insulation warms areas that need to withstand the most. Thanks to its minimal weight and pack size, you can take the Taiss IN Hooded Jacket on your tour without a second thought.