Rab Mythic Alpine Light Down Jacket - Black - S

The Rab Mythic Alpine Light Down Jacket is the lightest jacket in the Mythic series, designed to s...

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The Rab Mythic Alpine Light Down Jacket is designed for adult males seeking an ultralight yet exceptionally warm insulated jacket for demanding winter mountain activities. Its key benefit is maximizing warmth-to-weight ratio through body-mapped insulation, but its slim fit may not suit all body types for layering. This jacket utilizes premium 900FP down in core areas and resilient synthetic insulation in moisture-prone zones, offering robust performance with minimal bulk.

All features

Age Groupadult
ColourBlack
GenderMale
MaterialPolyester
SizeS
Model Part NumberQDB-47-BLK
BrandRab

Extended Product Information

FAQs

What is the primary purpose of the Rab Mythic Alpine Light Down Jacket?

Its primary purpose is to provide exceptional warmth with minimal weight for demanding cold-weather mountain activities like alpinism, ski touring, and mixed climbing.

How does the body-mapped insulation work?

It uses high-loft down in the core areas for maximum warmth where it's needed most, and resilient synthetic insulation in areas prone to moisture (sides, cuffs, shoulders, hood base) for better performance in damp conditions.

Is this jacket suitable for casual wear?

While it offers excellent warmth, its technical features and slim fit are optimized for performance during mountain activities. It can be worn casually, but may be less comfortable for relaxed use compared to a jacket with a more relaxed fit.

Can I wear a thick fleece under this jacket?

The jacket has a slim fit, which is designed for efficient layering with thinner mid-layers or for wearing under a shell. A very thick fleece might be too constricting.

What is the fill power of the down used?

The jacket utilizes premium 900FP (Fill Power) down, indicating a high warmth-to-weight ratio and excellent compressibility.

How do I care for the down insulation?

Specialized down wash and a low-heat tumble dry with dryer balls are essential for cleaning and restoring the down's loft. Avoid regular detergents and high heat.

What is the warranty period for this jacket?

Please refer to the Rab official website or the retailer's product page for specific warranty information, as it can vary by region and retailer.

Troubleshooting

Jacket feels less warm than expected

Ensure the down has been fully re-lofted after washing and drying. Check that the jacket is zipped up completely and hood is snug to prevent drafts.

Beading of water is reduced

The DWR (Durable Water Repellent) treatment may need reapplication. Clean the jacket first, then apply a suitable DWR spray or wash-in treatment according to product instructions.

Insulation clumping after washing

Ensure you used a specific down wash and tumble dried with dryer balls on a low heat setting, repeating the drying process until the down is fully separated and has regained its loft.

Pros and Cons

Pros

  • Extremely lightweight for its warmth.
  • Effective moisture management due to strategic insulation placement.
  • High-quality down and synthetic insulation blend.
  • Designed for excellent mobility during activity.
  • Highly packable for emergency or layering use.

Cons

  • Slim fit may limit layering options for some users.
  • Primarily designed for technical pursuits, potentially less casual-friendly.
  • Requires careful care due to down insulation.

Setup, Compatibility & Care

Setup: This is an insulated jacket and requires no setup. Simply wear it. Its slim fit is designed to be worn over a base layer or mid-layer. For use with a helmet, the hood is designed to accommodate one, though it may fit snugly.

Compatibility: The jacket is designed to be compatible with other mountain apparel, including hardshell jackets for increased weather protection, and harnesses for climbing activities. Ensure your layering strategy accommodates the jacket's slim-fit design.

Care: To maintain the performance of the down and synthetic insulation:

  1. Cleaning: Wash using a specific down wash detergent. Follow the garment's care label instructions carefully, typically involving a cool wash and extra rinse cycle.
  2. Drying: Tumble dry on a low heat setting with clean tennis balls or dryer balls to help restore loft to the down. This process may need to be repeated several times.
  3. Storage: Store the jacket uncompressed in a dry place. Avoid storing it in its stuff sack for extended periods, as this can compress the down and reduce its loft.