The Cumulus Lite Line 200 is a summer-to-two-season mummy bag built for hikers who count grams. Comfort is rated at 9 °C and the limit at 4 °C under EN ISO 23537 testing, so it belongs firmly among warm-weather bags — good for lowland and mid-mountain trips in summer rather than shoulder-season cold. The fill is 200 g of 850 CUIN goose down at a 95/5 down-to-feather ratio, arranged in horizontal H-baffles that hold the down in place more evenly than simple sewn-through channels.
The Pertex Quantum shell, 29 g/m² and 15D with a DWR finish, keeps total weight to 495 g and packs down to just 19 × 15 cm — small enough to disappear in a 30-litre pack. The full-length two-way zip sits on the left side, and the bag is couplable with a matching partner bag for double-bed use. Shoulder width of 77 cm and hip width of 51 cm put it in the regular size bracket, with an anatomical 3D hood and footbox for a closer fit around the head and feet. Made in Poland.