Mammut Seon
Mammut
$219.00 35% OFF
$142.35
Product Insights & Style Tips
The Mammut Seon IN Overshirt slides into your days when the plan is flexible but the weather isn't. On camp mornings that drift into town for coffee, it feels just-right, cozy, but not puffy. The body and arms get 100g ECOLoft insulation, so warmth lands where you want it, without bulk. The Pertex Quantum Air shell wards off wind while staying breathable, and a PFC-free DWR keeps light rain at bay. Snap chest pockets give the look a little utilitarian edge, while recycled materials nod to a lighter footprint.
With a relaxed silhouette, it wears solo over a tee or tucks under a shell when weather shifts, and it layers cleanly without looking bulky. Snap chest pockets and two zip hand pockets keep a phone, snack, or gloves within reach. The front snaps lend a laid-back, shirt-like line, so the Seon moves from cafe stop to short trail with equal ease. ECOLoft warmth stays close to the core, while the Pertex Quantum Air shell blocks wind and breathes.
Mammut leans into everyday utility with pieces like Seon, marrying city-ready warmth with alpine spirit. A versatile layer for lounging, coffee runs, and half day hikes, it pairs with denim, fleece, or a shell for seasons that don't sit still.
Materials / Fabrication
- Pertex Quantum Air shell
- ECOLoft synthetic insulation across body and arms (100 g)
- PFC-free DWR treatment
- Insulated overshirt for casual wear and cool-weather layering
- Snap button chest pockets
- Two zippered hand pockets
- Relaxed fit
- Made with recycled materials
- Suitable for layering over a tee or under a shell
Recommended Care
- Machine wash cold on gentle cycle with a mild detergent
- Close all zippers and pockets before washing
- Avoid fabric softeners and bleach to preserve DWR and loft
- Tumble dry low with dryer balls to restore loft; you can also line dry
- Do not iron
- Reproof DWR as needed to maintain water repellency
- Store in a cool, dry place; avoid prolonged compression to protect loft
Fit Notes
- 100g ECOLoft insulation across the body and arms provides warmth suitable for layering over a tee or under a shell.
- Pertex Quantum Air shell balances wind protection with breathability for active moments.
- Snap button front creates a casual shirt-like silhouette with chest and two hand pockets for everyday carry.