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Ultralight insulated down pants that will keep you warm while sleeping in a tent and during long evenings at the campsite. Perfect for winter trips, polar expeditions, or cold bivouacs. They take up almost no space in your backpack or sled. Made from the highest quality goose down with a fill power of 850 cuin and a water-repellent treatment, and from lightweight and durable Pertex® Quantum fabric.
What is the product good for?

On the outside and the inside, they've used Pertex® Quantum 22 g/m² (7-denier ripstop, 100% nylon), which has good durability, maintains solid breathability, and features low weight and packability. On the outside, the fabric is treated with a permanent water-repellent DWR coating.
The awesome insulating performance comes from 102 grams of goose down with a fill power of 850 cuin. During outdoor activities, down products are at a much greater risk of getting wet or damp, which the manufacturer thought about from the start, and they filled the pants with down that has a hydrophobic treatment, so it doesn’t lose its loft immediately upon contact with water. Like all Cumulus products, the down is of Polish origin, PFC-free, and ethically sourced.
Down pants pack down really small into a little stuff sack with a volume of 0,5 l, which is included in the package. The total weight in size M is 205 grams.

Míša and David tested these insulated pants on their last polar expedition on Kungsleden, and they both swear by them. They were never cold at night in the tent or in the evening at the campsite, and they're planning to take them on all future winter expeditions. Combined with down jacket and insulated booties, they'll give you maximum thermal comfort even in the coldest conditions.

If you are unsure about which size or color to choose, or if you have any other questions, feel free to contact us via email or directly in the online chat. We are here for you.