Chris Townsend reviews a more expensive down jacket made with ethically sourced down.

This review is part of our down jackets gear guide, and was first published in the January 2019 issue of The Great Outdoors.

The Broad Peak is warm for the weight, and very comfortable. The down isn’t hydrophobic but the Pertex shell fabric has a non-PFC water-repellent treatment that resists drizzle and damp mist. It’s made with Y-shaped filaments that form a tightly interlocking structure that Pertex says improves the downproof and water beading properties. The down conforms to the Responsible Down Standard and the whole garment is Bluesign approved.

The jacket is the standard design with elastic at the hood brim and cuffs plus an adjustable drawcord at the hem. The hood is shaped and quite close-fitting, which helps keep it on when it’s windy. The handwarmer pockets are roomy and set high enough to be usable when wearing a hipbelt. The chest pocket is easily big enough for a GPS unit or smartphone but not a map. There’s a stiffened flap inside the main zip.

Mammut says the jacket has a regular fit. I’d say it was a little on the small size. The Large fits okay over a thin fleece and base layer. The Medium would probably be a bit tight.

This is a good jacket but there are others of similar warmth that I think are slightly better.


  • Overall: 3-5 out of 5

Pros: pockets, weight, ethically sourced down

Cons: quite expensive

  • Price: £269
  • Weight: 395g (L)
  • Fill: 115g 800 fill power goose down
  • Shell: Pertex Quantum
  • Hood: elasticated
  • Cuffs: elasticated
  • Hem: adjustable drawcord
  • Pockets: 2 handwarmer
  • Sizes: men S-XXL
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