Mammut Aconcagua ML Jacket Men's Deep Teal M

When the temperature drops and the wind picks up on exposed ridgelines, a mid-layer that balances warmth, breathability, and mobility becomes essential. The Mammut Aconcagua ML Jacket solves this problem with Polartec® Power Grid™ fabric, which traps heat in its grid channels while allowing excess moisture to escape during high-output activities. The result is a jacket that keeps you comfortable whether you're leading a pitch, skinning up a couloir, or hiking a windy summit trail.

Who is it for

This jacket is built for male mountaineers, climbers, ski tourers, and hikers who need a technical mid-layer that moves with them. Its athletic fit sits close to the body without restricting movement, making it ideal for layering under a shell or wearing alone on cool, dry days. If you value gear that performs across multiple disciplines and meets strict environmental standards, this piece belongs in your kit.

Main features

• Polartec® Power Grid™ fabric: 89% polyester, 11% spandex with 4-way stretch for unrestricted motion
• Highly breathable and quick-drying, with excellent moisture management to keep you dry from the inside out
• Full-length YKK Vislon front zipper for easy ventilation and layering
• Two zippered side pockets to secure essentials like a phone, energy gel, or lip balm
• High stand-up collar for added neck protection against cold drafts
• Raglan sleeves and flatlock seams eliminate chafing under pack straps and harnesses
• Elastic cuffs and hem seal in warmth and keep the jacket in place

Specifications

• Material: Polartec® Power Grid™ (89% polyester, 11% spandex)
• Fit: Athletic
• Weight: Lightweight mid-layer
• Closure: Full-length YKK Vislon front zipper
• Pockets: 2 zippered side pockets
• Collar: High stand-up collar
• Sleeves: Raglan sleeves with elastic cuffs
• Hem: Elastic
• Seams: Flatlock for comfort
• Breathability: Highly breathable
• Moisture management: Excellent, quick-drying
• Stretch: 4-way stretch
• Sustainability: bluesign® PRODUCT, Fair Wear
• Intended use: Mountaineering, climbing, ski touring, hiking
• Gender: Men's
• Colour: Deep Teal
• Size: M

Tips

Layer this jacket under a hardshell for cold, wet conditions, or wear it alone on crisp, dry days. The athletic fit allows it to slide easily under a harness or pack without bunching. For maximum lifespan, wash with a technical fabric cleaner and avoid fabric softeners, which can impair breathability.