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  • Women's hiking and mountaineering Down Jackets Women KHUMBU F
  • Women's hiking and mountaineering Down Jackets Women KHUMBU F
  • Women's hiking and mountaineering Down Jackets Women KHUMBU F
  • Women's hiking and mountaineering Down Jackets Women KHUMBU F
  • Women's hiking and mountaineering Down Jackets Women KHUMBU F
  • Women's hiking and mountaineering Down Jackets Women KHUMBU F

KHUMBU - Women

Women's CIMACUIN down expedition jacket

299,90 €

5 reviews

Harness-compatible

Helmet-compatible

Insulating

510 g (size S)

blue
Delivered from Tue 17 Nov.

Free returns within 30 days

Available in several versions

Men Women
Very warm down jacket Warm down jacket

Free repairs for life

By La Réparerie, our repair service.

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Who did we design it for?

For women mountaineering in extreme cold at altitude who need an expedition down jacket for belay stances, a bivvy and exposed stops.

How warm is it?

Very warm: its 800 cuin natural down retains heat at belay stances, during a bivvy and in extreme cold at altitude.

How much does it weigh, and how small does it pack?

510 g in size S. It compresses and packs away at the bottom of your summit pack between sections of the climb.

What makes it different?

Our CIMACUIN technology: RDS-certified, 800 cuin natural down that packs down into the bottom of your rucksack and insulates as soon as you put it on. An excellent warmth-to-weight ratio.

Its performance

Compressibility

Packable

Lightweight

510 g (S)

Warmth

Wind protection

Strong wind, 60 to 90 km/h

Ideal for

Mountaineering

Ski hiking

Hiking

A shelter you can carry with you

At exposed belays, on a bivvy or on the ridge when the wind picks up: the cold at altitude gives you no respite, and your body heat drops as soon as you stop.

This down jacket traps warmth as soon as you put it on. Its helmet-compatible hood tightens with a drawcord; its pockets remain accessible under a harness, and its two-way zip lets you belay without opening it fully.

It packs away at the bottom of your rucksack between sections, ready for the next stop.

Because at altitude, the cold is more than a matter of comfort.

Key features

Helmet-compatible hood

The hood is compatible with a mountaineering helmet.

Central zip with double sliders

The central zip has two sliders. This means you can belay your climbing partner without opening your jacket fully.

Harness-compatible pockets

The pockets have been positioned so they remain accessible even when wearing a harness.

Adjusters

Reliable adjustment systems to dial in the perfect fit on your down jacket.

Chest pocket

Chest pocket to keep essential items within easy reach.

CIMACUIN Technology

Natural insulation delivering excellent thermal output in cold conditions.

  • High fill power (cuin) : natural down creating insulating air pockets to effectively retain body heat.
  • Very high compressibility : compacts tightly to reduce the garment's volume and make storage easier.
  • Exceptional warmth-to-weight ratio: delivers optimal insulation while maintaining great lightweight performance.

CIMACUIN technology is built around down selected for its quality and durability, delivering reliable thermal performance over time.

Details

Specifications

Weight

510g (S)

Brand

Cimalp

Fabrics

Main fabric: 100% recycled Polyamide ; Inner mesh: 95% Polyamide, 5% elastane

Wind resistance

Strong wind, 60 to 90 km/h

Waterproofing

DWR water-repellent treatment

Size type

  • Women's Top

Traceability

Manufacturing: China
Main fabric: 100% Recycled Polyamide
Weaving/Knitting: China
Dyeing/Printing: China
MATERIAL CHARACTERISTICS: Product containing at least 30% recycled materials
Releases plastic microfibres into the environment during washing

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Reviews

4.8
Based on 5 reviews
5
80%
4
20%
3
0%
2
0%
1
0%
Customers recommend the usual size
Warmth
Comfort
Packability
Véro G.
Verified customer
Height 176cm Usually wears M Ordered size M Ordered color Noir Usage Randonnée
Translated review
13/11/2026

Delighted with my purchase. This down jacket is very warm and incredibly comfortable. It meets my expectations perfectly. Works just as well for hiking as for sportswear if needed.

ANNE-SOPHIE.H
Verified customer
Ordered size XS Ordered color Noir
Translated review
23/01/2026

Fits perfectly, very well sized.

Thierry.d
Verified customer
Ordered size XS Ordered color Noir
Translated review
28/01/2026

Exchanged for a size S. Excellent customer service; the exchange was very quick, only one week between sending and receiving the returned product. So, very satisfied indeed, and the product meets our expectations. In short, top-notch!

Celine C.
Verified customer
Height 166cm Usually wears L Usage Randonnée, Ski de randonnée, Raquettes
Translated review
06/11/2026

Meets my expectations.

Alice.K
Verified customer
Ordered size XS Ordered color Noir
Translated review
23/02/2026

Same opinion

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F.A.Q

We answer your questions

Need help?

Our team of experts, based in Valence in the Drôme, will get back to you quickly by email, from product advice to order tracking.Based in the French Alps, our specialist team provides prompt email support for product guidance, order tracking, and any other inquiries.

Frequently asked questions Contact us

FAQ

Frequently asked questions

Yes. Its 800 cuin natural down is designed for extreme cold at altitude, at belay stances, during a bivvy and at exposed stops.

It is water-repellent, not waterproof. In rain or snow, wear it under a waterproof jacket.

Wear it over a thermal base layer as an outer layer in cold, dry weather, or as a mid-layer under a waterproof jacket in rain or snow.

Yes, the hood fits over a mountaineering helmet.

One chest pocket and two zipped hand pockets, all accessible while wearing a harness.

RDS-certified, 800 cuin duck down: 95% down and 5% feathers.

It runs large: choose one size down from your usual size.

Wash this jacket with 800 cuin natural down as infrequently as possible, in cold water with a liquid detergent designed for down and no fabric softener. Tumble-dry on a gentle cycle with tennis balls, shaking and patting it every 20 minutes, or dry it flat in the open air. If the feathers clump together, pour a down waterproofer into the fabric-softener compartment before the second rinse.

All orders placed by midnight are prepared the next day. In France, orders placed before 1 pm (excluding weekends) with Chronopost 24h are dispatched the same day. Delivery then depends on the carrier and takes 1 to 4 days in France. Delivery times for Europe and the rest of the world vary by destination.

Yes, absolutely. You have 30 days to return it and get a refund or an exchange. Return shipping is free. The item must be new, unworn, unwashed, and have its original tag.

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