Cumulus Teneqa 700 is a genuine winter expedition bag, filled with 700 g of Polish 850 cuin goose down (96/4 ratio) across a 42-chamber vertical baffle construction — a detail from the maker's own listing that explains why weight distribution stays even through a large down volume. Comfort is rated -10 °C, limit -18 °C, extreme -38 °C, though manufacturer-rated rather than independently EN/ISO tested. Total weight is 1150 g.
The build carries the expected winter-bag features: full-length two-way right-side zipper, insulated draft collar and draft tube sealing the main heat-loss points, a 3D anatomical hood, and an internal pocket for electronics or water that would otherwise freeze overnight. The Pertex Quantum 29 g/m² 15D ripstop shell has a DWR finish but is not differentially cut here, a minor trade-off at this weight class. Down is RDS-certified, the bag carries a 10-year warranty. Rated for users up to 190 cm, this is gear for winter alpine bivouacs and cold-weather expeditions, not shoulder-season trekking — the weight only makes sense if you actually need -18 °C protection.