Mammut Treeline 3-In-1 Hs Hooded Jacket - Men's
Mammut
$549.00 20% OFF
$439.20
Product Insights & Style Tips
The Treeline 3-In-1 HS Hooded Jacket from Mammut feels ready for weather's curveballs. The wind and waterproof GORE-TEX shell blocks rain and gusts, yet breathes through steady climbs. Inside, a lightweight recycled-down jacket delivers warmth that stays comfortable whether you're on the move or lingering at camp. When the forecast shifts, you can wear each layer solo or zip them together for a single, resilient performance piece.
Practical details make it easy to live in. The shell pockets sit above a pack belt, so you can reach what you need without wrestling the strap, and underarm zips help vent heat on steep grades. The inner jacket adds soft insulation for town mornings and camp mornings. The full seams stay sealed against the weather, and the materials lean into an eco-conscious mood with recycled fabrics and a PFC-free DWR finish.
Mammut's Treeline line embodies the brand's outdoor-first mentality with city-slick practicality. It nods to the growing appetite for adaptable outerwear that keeps pace from trailhead to transit hub. The recycled fabrics, removable liner, and fully sealed seams reflect a shift toward eco-aware performance gear that still reads premium on the street.
Materials / Fabrication
- Wind and waterproof GORE-TEX shell (2-layer)
- Breathable design for steady climbs
- Face fabric: 100 percent polyester
- PFC-free DWR finish
- Lining: 100 percent recycled polyester
- Removable liner: face fabric 100 percent recycled nylon
- Removable liner: lining 100 percent recycled polyester
- Inner jacket provides lightweight recycled down insulation
- Fully sealed seams
- Two-in-one system: shell and removable inner liner can be worn separately or zipped together
- Pockets on shell positioned clear of a pack belt
- Underarm zips to regulate heat
- Responsible Collection: recycled/repurposed materials in shell and liner
Recommended Care
- Machine wash outer shell cold on gentle cycle with a mild detergent; close zippers and fastenings
- Avoid fabric softeners and bleach to protect the GORE-TEX membrane and DWR
- Reproof outer shell with a PFC-free spray after washing to restore water repellency
- Tumble dry on low heat with a couple of clean tennis balls or line dry to maintain loft and fit
- Care for the removable liner separately; wash cold on gentle and lay flat to dry
- Do not iron; avoid direct heat on the membrane
- Store in a cool, dry place with both layers detached to prevent compression of insulation
Fit Notes
- The jacket uses a 3-in-1 system with a shell and removable liner that can be worn separately or zipped together for fluctuating weather.
- The shell is a wind and waterproof GORE-TEX 2-layer fabric that remains breathable during climbs.
- The inner liner is a lightweight recycled down layer that adds warmth and can be worn on its own in milder moments.
- Pockets sit clear of a pack belt and underarm zips help regulate heat when the gradient rises.