What are the best down jackets from Mountain Equipment?

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Mountain equipment – down jacket manufacturer

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The best down jackets for winter activities

Down jacket comparison

Both down jackets are insulated with Pure Down with a 90/10 700 fill power, this is a very effective warmth-to-weight ratio. They are a stitch through construction, this stops the down from moving around within the jacket and ‘bunching’, especially towards the hem, thus avoiding cold spots.

The down jackets have draw cord hems, so that the hem can be cinched tight to your body to reduce heat loss.

Both are windproof, and are a slim fit.

Are down jackets all the same?

The Lightline Down Jacket has more down (296g) than the Arete (116g), it looks and feels much thicker having a duvet appearance. ( Weights are for large size) However the down in the Arete is treated so that it is water resistant, if the jacket gets wet it will retain it’s warmth. The Lightline relies upon the Drilite® Loft outer fabric to provide water resistance, if this is penetrated the down in the jacket will compact with liquid, and loose some of it’s warmth.

The hood of the Lighline is detachable, there is also an inner collar –  extra warmth with the hood, a collar without. The hood has drawcords so that it can be pulled close around the face, with a wired peak. The Arete has an elastic bound hood which is not detachable and does not have a peak.

Which down jacket should I choose?

The Lightline is technical duvet jacket almost like half a sleeping bag with arms. It is heavier and slightly longer than the Arete. Ideal for activities in more extreme cold temperatures, where it is relatively dry weather. A great down jacket to wear in base camp, or when walking or belaying. The adjustable cuffs, helmet and hem draw cords, make this a very snug jacket, with deep pockets to keep your hands warm. Although the down jacket is not restrictive it is too ‘puffy’ to be worn as a midlayer under a hard shell.

The Arete is designed to be as light and warm as possible, hence minimal features. It is thinner than the Lightline and is much more suitable as a mid layer. A good down jacket to be worn for higher energy activities such as climbing or scrambling on cold days. It is half the weight of the Lightline, has it’s own stuff sack, is easy to carry on your belt or in a backpack. If you do get caught in a shower it will not keep you very dry, but you will stay warm.

Down Jacket Technical Details


Lightline Down Jacket

  • DRILITE® Loft outer; totally windproof and highly water resistant
  • 296g (size L) of 90/10 Pure Down with a fill power of 700
  • Stitched-through construction throughout
  • Adjustable zip-off hood with 3 panels for exceptional fit and protection
  • 2-way YKK® moulded centre front zip with rear insulated baffle
  • 2 zipped hand warmer pockets behind insulated flaps
  • Inner zipped security pocket
  • Adjustable cuffs and hem drawcords
  • Codex, audited animal welfare assured down
  • Weight 740 gram
  • Our price £180


Arete Hooded Jacket

  • Helium 30 outer shell is exceptionally lightweight and down-proof
  • 116g (Size L) of water resistant Pure Down with a minimum content of 90/10 700 fill power
  • Stitched-through narrow baffle construction throughout
  • Optimised down distribution and fill weights using a baffle-by-baffle approach
  • Elastane bound Mountain Hood
  • YKK® moulded centre front zip with insulated rear baffle
  • 2 zipped hand warmer pockets
  • Elastane bound cuffs and adjustable dual tether hem drawcords
  • Packs into hand pocket with karabiner carry loop
  • Weight 360 grams
  • Our price £135

Buy from e-outdoor

Lightline Down Jacket

Arete Hooded Jacket




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Content Writer

I have loved walking in the in the great outdoors as long as I can remember, weather is not an issue and any landscape is a new adventure. Personal details:- Height 5'10"(1.78m), Wt 12st10oz(81kg) Chest 41"(104cm) Trouser size 32"W,32"L, Baselayer/midlayer size medium. Hardshell layer size large.