Mammut Seon Pac Women's Insulated Jacket XS Black

On a brisk morning trail run above the tree line, the Mammut Seon Pac jacket is the layer you reach for when the wind picks up and the temperature dips. This women's insulated jacket in size XS and black weighs just 100 grams, yet it delivers reliable warmth and weather protection thanks to its Pertex Quantum shell and high-quality insulation. It packs down into its own pocket, so it disappears into a running vest or climbing pack until you need it.

Key specifications

• Shell material: Pertex Quantum (100% polyamide) with PFC-free DWR finish
• Insulation: lightweight synthetic fill for warmth without bulk
• Weight: approximately 100 g (size XS)
• Fit: athletic, designed to move with you
• Hood: fixed, adjustable for a snug fit
• Pockets: two zippered side pockets, one doubles as a stuff sack
• Front zipper: YKK Vislon for smooth operation
• Cuffs: elasticated to seal out drafts
• Hem: adjustable drawcord for a custom fit
• Sustainability: PFC-free DWR, bluesign® PRODUCT

Why choose it

The Seon Pac is built for active pursuits where every gram counts. The Pertex Quantum fabric is exceptionally wind-resistant and breathable, while the DWR finish sheds light rain and snow. Because it packs into its own pocket, you can always have a warm layer on hand without sacrificing space. The athletic fit and articulated design allow full range of motion, whether you're scrambling up a ridge or reaching for the next hold.

Ideal use cases

• Trail running and fastpacking in cool, windy conditions
• Climbing and mountaineering as a lightweight insulating layer
• Hiking and trekking in variable weather
• Everyday wear and travel when packability matters

Good to know

The jacket is made with a PFC-free durable water repellent finish and is certified bluesign® PRODUCT, ensuring environmentally responsible manufacturing. It is machine washable for easy care.