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Trekking Series
Very light down hooded jacket, designed for use on its own or in a system integrated with several layers in order to increase protection and insulation in all winter mountain activities. The down is of excellent quality and is highly thermal. Exterior made with Pertex Endurance fabric that is very resistant to water and the interior is made with 20D nylon that is very light and resistant. Filling with 180 g of recycled Neokdun down with a fill power of 800. Narrow partition construction for better distribution of down and to prevent heat loss. Down-filled hood. 2 hand pockets with YKK zippers. Hem adjustable with cord lock Trimmed cuffs with elastic binding.


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Ternua's SEFTON men's down jacket will protect you against the cold thanks to its recycled Neokdun down filling. Very lightweight, breathable and windproof, it is made with PERTEX Endurance that will offer you high water resistance. What's more, it is highly compressible and includes a carry bag, ideal for mountain activities like trekking, hiking or alpinism.









  • Made of recycled materials.
  • Made of biodegradable natural materials.
  • Made of organic cotton.
  • Made of bluesign® fabrics.
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PFC FreeSustainable and toxic-free water-repellent treatment. + info

Composition and care


485 g.


  • Fabric Composition: 100%Polyamide

Technical fabrics

Pertex EndurancePertex Endurance technology incorporates an ultra-thin air permeable coating that is both highly breathable, water and wind resistant. This layer protects the insulation material from the elements to maintain loft and retain warmth. Technical specification: • Waterproof – 1,000mm. 7,000g • Main properties: • Excellent breathability. • Lightweight. • 100% Windproof. • Highly water resistant.
NeokdunThe recycled down comes from used bedding and clothing, which have reached the end of their useful life. Normally, the down and feather filling has a longer useful life than the finished products. Therefore we can extract the feather and down from these products. The down is classified and processed to meet cleanliness standards and other performance requirements. The NEOKDUN recycled down must be subjected to an innovative process in order to ensure full cleanliness and better performance as a filling for our products. The process is environmentally friendly and does not use harmful chemicals.

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