Sleeping bag Trilogy Ultimate

For thermal supremacy at base camp on the most demanding expeditions, this mountaineer's sleeping bag is filled with no less than 1300g of gray goose down, ensuring a comfort-level temperature among t he lowest on the market. For nights in extreme conditions and sub-zero temperatures near the two poles, it delivers unmatched thermal comfort with a wider shape so you can sleep with your gear. To let you stay focused on essentials at -40°C, the down is K-DRY™ hydrophobic treated and the bag's build is fully 3D, to maximize insulation and durably withstand the wet.