Mammut’s Aconcagua Jacket is a versatile layering piece that can be worn as an outer layer in cool weather or utilized as a midlayer (ML) when layered under a waterproof shell. Part of what makes this jacket so versatile is its Polartec Power Stretch fabric, which provides warmth while maintaining a high level of breathability and mobility. In terms of fit, the Aconcagua is tailored to fit comfortably under a climbing harness with both pockets being easily accessible while wearing one.
- Performance layering piece for climbing and mountaineering
- Polartec Power Stretch is breathable and moves with you
- Abrasion-proof face for long-lasting durability
- UPF 50+ rating protects against harmful UV rays
- Climbing-specific fit wears comfortably under a harness
- Bluesign-approved fabric made with sustainability in mind
- Item #MAMU554
- Material
- [face fabric] Polartec Power Stretch (57% polyester, 33% nylon, 10% spandex), [lining] 80% nylon, 20% spandex
- Fleece Weight
- midweight
- Fit
- regular
- Length
- hip
- Center Back Length
- [x-large] 29.5in
- Hood
- elastic
- Pockets
- 2 harness-compatible hand zip, 1 chest zip
- Claimed Weight
- 15.3oz
- Manufacturer Warranty
- 2 year






















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