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Mammut Meron IN Hooded Down Jacket

140g of 900 Fill Power Down / Ultralight Rip-Stop Shell
Weighs 406g (Medium size)
Code: AW20390
  • £299.99
  • (FREE Delivery on orders over £15)
  • RRP £399.99
+ In Stock Now | Usually dispatched within 24 hours

This updated version of the Meron sees an increase in warmth with a lot more down whilst still maintaining an impressively low weight and small packsize.

Mammut says:

Warm insulated jacket: the Meron IN Hooded Jacket Men. Made from extremely light, polyamide ripstop material that reliably repels water. Various features such as a helmet-compatible hood as well as backpack- and climbing harness-compatible pockets make this jacket perfect for mountaineers. The 95% goose down and 5% feather filling keeps you warm in cold temperatures and has an excellent heat/weight ratio. Practical: stowable in the internal pocket.

Mammut's 2020 Meron IN Hooded Down Jacket has been updated and given a serious increase in down. The jacket has 30g more down (which is top quality 900FP) compared to the previous version, and this is a significant upgrade in terms of warmth.The low weight to warmth combined with small packsize make this an excellent jacket for a range of adventures.

This is a very technical jacket. With a helmet compatible hood, hand warmer pockets designed to work with a harness or backpack and small pack size it is ready for even the most challenging activities. The pack size and weight are kept low by using the ultralight fabric outer. The inner lining is also very thin but still surprisingly durable.

- Reviewed by Ultralight Outdoor Gear

Help and advice:
  All about down filling in sleeping bags
  • Ultra-lightweight, water-repellent polyamide ripstop material 
  • Adjustable, helmet-compatible hood
  • 2 backpack and climbing-harness-compatible zipper pockets
  • Internal zipper pocket
  • Jacket can be stowed in the inner pocket 
  • Elastic cuffs 
  • Hem drawstring can be adjusted with one hand 
  • Excellent warmth-to-weight ratio and very small packable 
  • Contains non-textile parts of animal origin (down or leather) 
  • Suitable for: Mountaineering | Approach | Hiking
  • Small weighs: 386g
  • Medium weighs: 406g
  • Large weighs: 436g
  • XLarge weighs: 452g


  • Main: 100% Polyamide
  • Lining: 100% Polyamide
  • Insulation: 140g of 95% White goose down | 5% White goose feather with 900 cuin fill power
  • Technology: Mammut Down 900 cuin | Mammut Connect
  • Sustainability: RDS - Responsible Down Standard | PFC Free DWR
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