Millet Trilogy Ultimate


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Millet Trilogy Ultimate. For thermal supremacy at base camp on the most demanding expeditions, this mountaineer’s sleeping bag is filled with no less than 1300g of gray goose down, ensuring a comfort-level temperature among the lowest on the market. For nights in extreme conditions and sub-zero temperatures near the two poles, it delivers unmatched thermal comfort with a wider shape so you can sleep with your gear. To let you stay focused on essentials at -40°C, the down is K-DRY™ hydrophobic treated and the bag’s build is fully 3D, to maximize insulation and durably withstand the wet.

Availability: In stock

SKU: 3515725545165 Category: Tags: , , , ,


  • wider expedition shape, to sleep clothed with your gear
  • k dry™ hydrophobic goose down fill
  • ripstop nylon shell: tough, lightweight, water-repellent
  • 3d build for enhanced loft
  • side half zip with double anti-cold flap
  • preshaped hood with drawcord / shoulder collar / inside pocket
  • waterproof compression sack


  • total length : 225 cm
  • shoulder width : 85 cm
  • foot width : 50 cm
  • volume after packing : 15l


  • comfort temperature : -17°c
  • limit comfort temperature : -25°c
  • extreme temperature : -50°c
  • comfort temperature : down to this temperature, the user feels no cold when lying relaxed on their back.
  • limit comfort temperature : between the comfort temperature and the limit comfort temperature, the user must curl up to stay comfortably warm. below the limit comfort temperature, the user may feel the cold.
  • extreme temperature : the temperature at which the user will have a strong feeling of cold, which may affect their health (hypothermia). users are advised not to reach this temperature.


  • main fabrics :n30d 353t ripstop // dwr // 100% polyamide
  • other fabrics : 90/10 grey goose down + c0 wr rds fp 850 // fill power 850 // 100% goose down


  • 1950 gr


  • alpinism

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Manufacturer website



Millet is a French-based company specializing in outdoor equipment such as backpacks and sleeping bags, owned by Lafuma. They also offer a wide variety of other equipment, like clothing.
Millet logo
Weight 1950 g

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