Mammut Women's Aconcagua ML Jacket – Black XL | Bluesign Approved Fleece

Overview

The Mammut Aconcagua ML Jacket is the lightweight, easy-care fleece you reach for during milder days and in-between seasons. Crafted from a soft Polartec fleece, it feels gentle on the skin while remaining remarkably light, making it a reliable companion for summer outings and shoulder-season adventures.

Key Materials & Fit

The fleece blends a streamlined silhouette with practical stretch, delivering a comfortable midweight feel that layers smoothly under shells or insulation pieces. With a slim cut and hip length, it moves with you without adding bulk, helping you stay nimble on ascents or in busy city streets after a hike.

• Responsible Collection: Bluesign Approved
• Material: Polartec Power Grid fleece with a Power Stretch Pro blend
• Fleece Weight: Midweight
• Fit: Slim; Length: Hip

Performance at a Glance

Expect a favorable warmth-to-weight ratio, breathable fabric, and quick-drying performance that keeps you comfortable during high-output activities. The waffle-like structure promotes airflow and helps shed moisture rapidly, so you stay comfortable through changes in activity level.

• Warmth without heaviness for agile movement
• Breathable construction that wicks and dries quickly
• Packable design that compresses into small spaces
• Versatile as a standalone layer or a reliable mid-layer

Where to Wear

Wear it solo on cool trail days or as a dependable mid-layer beneath weather protection during alpine approaches, climbing, or ski tours. Its slim profile minimizes bulk under outerwear, making it a practical choice for hikers, mountaineers, climbers, and everyday explorers alike.

Sustainability & Care

Part of Mammut's Responsible Collection, Bluesign Approved fabrics reflect a commitment to sustainable production. For longevity, follow gentle washing and air-drying to preserve the fleece texture, warmth, and fit over time.