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Kamil wears size L and his measurements are: height 6 ft 0.4 in, chest 40 in, waist 32.7 in, hips 38.6 in.

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4-5 working days

Spending time in the great outdoors does not always mean ambitious hikes, climbs, or spinning hundreds of kilometers on a bike. Nature is often enjoyed during a pleasant meeting with friends at a barbeque, on a quiet evening in a camper van, or while playing outdoors with the children. The Trenlite downy shirt is perfectly suited for a variety of casual outdoor activities. It allows you to stand out from the crowd and is extremely practical.

It is equipped with four lockable pockets and a padded collar which can be put up to protect yourself against the wind. It is made of windproof Pertex® Quantum fabric and filled with Polish goose down with a fill power of 850 FP. A press-stud fastening gives it character, and thanks to the padded cuffs, the sleeves are easy to roll up. The shirt has a less fitted cut than typically technical Cumulus® jackets, so you can easily fit your favorite sweatshirt underneath. Trenlite will be a perfect choice for spring, early autumn, and chilly summer evenings.

More Information
Down quality850 FP
Total weight (size M)9.87 oz
Down weight (size M)2.82 oz
Stuffsack’s dimensions (height/diameter)6/5 in
Stuffsack’s volume71 fl oz
Product features
  • Fill: 850 Fill Power ethically sourced Polish goose down
  • Shell and liner: Pertex® Quantum 0.86 oz/y², 15-denier ripstop, DWR finish (100% nylon)
  • Snap press studs clousure
  • 2 zipped handwarmer pockets
  • Snap press studs closed 2 chest pockets
  • Snap press studs closed cuffs
  • Regular cut
  • Construction: stitched-through chamber design
  • 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.