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This vest is great on its own or as an additional insulating layer. Filled with high quality Polish goose down to keep you warm and made from windproof Toray® Airtastic for high breathability and a pleasant finish, this vest is surprisingly light and small in volume. Two zipped handwarmer pockets and a close fit collar make it a comfortable wear whatever the occasion.

More Information
Down quality850 FP
Total weight (size M)145 g
Down weight (size M)53 g
Stuffsack’s dimensions (height/diameter)12/7 cm
Stuffsack’s volume0.5 l
Product features
  • Fill: 850 Fill Power ethically sourced Polish goose down
  • Shell and liner: Toray® Airtastic 19 g/m², 7-denier ripstop, DWR finish (100% nylon)
  • 3 mm YKK® zip with self-locking slider
  • Internal storm flap behind front zip
  • Zipper garage
  • 2 zipped handwarmer pockets
  • Elastic hem
  • Elastic cuffs
  • Slim, technical cut
  • Minimalist, weight saving design and components
  • Construction: stitched-through chamber design
  • Fits into side pocket
  • Stuffsack included
Size chart

Expert quality


Years of breeding experience, a specific climate and research facilities are the secrets behind the excellent parameters of Polish down, which is considered to be the best in the world. Despite technological advancement and attempts to make artificial insulation that would be just as reliable, down still remains unrivaled.

Ethical sourcing

We only use down from certified Polish producers. Thanks to their geographical proximity, we can monitor the production. We are absolutely sure down used by Cumulus has been ethically sourced. It is from free-range geese that have access to water. The excellent breeding conditions are also reflected in the down’s high quality.


Pertex® and Toray®, two fabrics we commonly use in our products, are made in Japan. Renowned in the outdoor world, they are both high-performers and have an impressive resilience considering their lightweight structure. At 19g/m2 Toray Airtastic® is the lightest downproof fabric in the world.


YKK® is the most trustworthy zip producer in the world, whose zips highly outperform the competition. Almost all our products feature YKK® zip - from clothing, accessories, to sleeping bags.