Rab Mythic Alpine Light Down Jacket - Black - M

The lightest jacket in the Mythic series, this Rab Mythic Alpine Light Down Jacket slashes weight ...

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Product Information

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The Rab Mythic Alpine Light Down Jacket is for male adult adventurers seeking an ultralight and packable insulated jacket for winter mountain activities like mixed climbing, alpinism, ski touring, and mountaineering. Its key benefit is maximizing warmth while minimizing weight through body-mapped insulation. A potential caveat is its slim fit, which may limit layering options for some users. This jacket combines 900FP down around the core with resilient synthetic insulation in high-wear areas, all wrapped in a durable yet lightweight Pertex Quantum exterior.

All features

Age Groupadult
ColourBlack
GenderMale
SizeM
Model Part NumberMAJKINZZ0594_BLK_00M
BrandRab

Extended Product Information

FAQs

What is the fill power of the down used?

The jacket uses high-quality 900 fill power (FP) down, which is known for its excellent warmth-to-weight ratio and compressibility.

How does the body-mapped insulation work?

It strategically places down (warmer, lighter) in the core areas and synthetic insulation (more resilient to moisture, durable) on the sides, cuffs, shoulders, and hood base where it's needed for specific performance benefits.

Is this jacket waterproof?

No, the jacket is water-resistant due to its Pertex Quantum exterior which offers protection against light rain and snow, but it is not fully waterproof. For heavy precipitation, a waterproof shell layer is recommended.

Can I wear this jacket in very cold temperatures?

Yes, it is designed for winter mountain conditions. For extreme cold, it can be layered under a shell jacket or worn over a heavier insulating mid-layer.

How should I clean the jacket if it gets dirty?

It's best to use a specialized down wash on a gentle machine cycle. Always tumble dry on low heat with tennis balls to restore loft. Avoid harsh detergents and fabric softeners.

What activities is this jacket best suited for?

It's ideal for fast-and-light mountain activities such as mixed climbing, alpinism, ski touring, and mountaineering where warmth, weight, and packability are paramount.

What does 'ultralight' mean in the context of this jacket?

It means the jacket is engineered using the lightest possible materials and construction techniques to minimize weight and bulk without significantly compromising warmth or durability.

Troubleshooting

Jacket feels less warm than expected

Ensure the down has been properly re-lofted after washing and drying. Check that the zippers and cuffs are fully closed to prevent drafts.

Zippers are stiff or difficult to use

Gently clean the YKK zippers with a damp cloth and allow them to dry completely. A light application of silicone lubricant can improve smooth operation.

Fabric feels clammy or damp inside

This could indicate high internal moisture from exertion. Ensure you are wearing appropriate base layers that wick moisture effectively. If exposed to external moisture, check the DWR treatment on the Pertex Quantum exterior.

Pros and Cons

Pros

  • Extremely warm for its low weight and minimal packed size.
  • Excellent breathability and moisture management due to zoned insulation.
  • Designed for unrestricted movement during strenuous activities.
  • Durable exterior fabric offers good protection against snags and weather.
  • Highly compressible for easy packing on long expeditions.

Cons

  • Slim fit may be restrictive for individuals preferring looser layering.
  • Exterior fabric, while durable, is thin and requires careful handling in abrasive environments.
  • Limited number of external pockets for quick access items.
  • Primary insulation is down, which can lose loft if significantly wetted.

Setup, Compatibility & Care

Setup: This jacket requires no setup. It is designed to be worn as an insulating layer. Ensure the zippers are fully functional before use.

Compatibility: The slim fit is designed to layer comfortably over a base layer and mid-layer fleece or technical top. It can be worn under a waterproof shell jacket for added weather protection. It is compatible with climbing harnesses and ski touring setups.

Care:

  1. Washing: Machine wash on a gentle cycle with a technical down wash, using a front-loading machine. Do not use fabric softener or bleach.
  2. Drying: Tumble dry on a low heat setting with clean tennis balls or dryer balls to help break up any clumps of down and restore loft. This may take several cycles.
  3. Storage: Store loosely, not compressed in a stuff sack, to maintain down loft. Hang it in a dry, well-ventilated place.