Versatile warmth for mountain adventures

The Mountain Equipment Senja Women's Jacket is a water-resistant, compressible mid-weight down jacket designed for mountaineering, trekking and everyday use. Engineered with DRILITE® LOFT 40D outer fabric and 195g (Size 12) of 90/10 duck down with a minimum 700 fill power, it delivers dependable insulation, weather protection and packability for backpackers, skiers and mountain enthusiasts. Built for everything from general mountaineering and Himalayan trekking to day-to-day wear, it balances warmth, low weight and practical mountain functionality.

Performance & Engineering

• 195g 700 Fill Power Duck Down Insulation – Engineered with 195g (Size 12) of 90/10 duck down with a minimum 700 fill power to provide substantial warmth while maintaining a compact pack size for carrying in a pack.
• DRILITE® LOFT 40D Protection – Built with DRILITE® LOFT 40D outer fabric that is completely windproof and highly weather-resistant, helping protect against snow, cold winds and unexpected showers.
• DWR-Treated Outer Fabric – Designed with a durable water-repellent (DWR) finish that sheds rain and snow, helping the outer fabric stay drier for longer in changing mountain conditions.
• Mountain HC Hood & Insulated Collar – Engineered with an insulated Mountain HC Hood and insulated collar that provide enhanced protection from cold weather and can accommodate a helmet when required.
• Mountain-Focused Functionality – Built with a 2-way YKK® Vislon® centre front zip with an insulated baffle, zipped hand-warmer pockets, an internal security pocket and adjustable cuffs and hem to improve comfort and usability in exposed environments.

Technical Specifications

• Ideal For: Mountaineering, Himalayan Trekking, Everyday Use
• Main Fabric: DRILITE® LOFT 40D outer fabric; 195g (Size 12) 90/10 duck down insulation with minimum 700 fill power
• Weight: 570g / 1lb 4.1oz
• Hardware: 2-way YKK® Vislon® centre front zip with insulated baffle
• Pockets / Features: 2 zipped hand-warmer pockets, internal zipped security pocket, insulated Mountain HC Hood with insulated collar, stitched-through baffle construction, DWR finish, adjustable cuffs, dual-tether hem drawcords
• Fit: Women's mountain fit with room for layering while maintaining thermal efficiency; helmet-compatible hood

Care & Longevity

Hand wash or machine wash at 30°C using a specialist down cleaner, then tumble dry on a cool setting to maintain loft and insulation performance. Store in a cool, dry place away from direct sunlight. Avoid harsh detergents, high drying temperatures and long-term compressed storage to help preserve down loft and water-repellent performance.