The Aconcagua Midlayer Jacket Men from Mammut is a versatile layer designed to trap warmth while you’re on the move in cool conditions. It’s intended to sit comfortably under a shell or stand alone around camp when the temperature dips.
Made with a blend of 57% polyester, 33% polyamide and 10% spandex, this full-zip midlayer combines warmth, durability and stretch so you can bend and reach without feeling restricted. Its regular fit allows for easy layering, and the Bluesign® and Fair Wear certifications show attention to both environmental impact and ethical production.
At the heart of the jacket is Polartec® Power Stretch® Pro™, a four-way stretch fleece technology that balances thermal efficiency with moisture management. In practice, that means it retains heat close to your body while wicking away sweat, keeping you comfortable as your activity level fluctuates.
Click to read the product description by Mammut
Mammut says about theAconcagua Midlayer Jacket Men
The Aconcagua is a classic fleece jacket for sporty lifestyles. Now in its third generation, it still holds its own on expeditions, long and short outdoor adventures and is also suitable for everyday wear. The Polartec® Power Stretch® Pro material is comfortable and ensures you can always move freely thanks to its flexible 4-way stretch material. The fleece fabric keeps you warm, efficiently wicks away moisture and dries quickly. The Aconcagua has a tight fit, making it your go-to mid-layer for wearing under a hardshell layer. Its tried and tested features and timeless design also make the jacket perfect for wearing on its own when hiking, climbing or just enjoying your free time. The Aconcagua is made to offer superior quality, is extremely rugged and always keeps its shape.
Product specifications
| Material | 57% polyester, 33% polyamide, 10% spandex |
|---|---|
| Other specifications | 4-way stretch |
| Environmental information | Bluesign®, fair wear |
| Fit | Regular fit |
| Technology/construction | Polartec® power stretch® pro™ |
| Weight | 367 gr |






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