Ultralight warmth for fast-moving mountain days

The Mountain Equipment Xenith Women's Down Jacket is engineered for climbers, trekkers and ski tourers who need maximum warmth with minimal weight and bulk. Built with HELIUM 10D fabric and 100g (Size 12) of 90/10 800 fill power hydrophobic goose down, it combines innovative Hexagon baffle construction with a highly compressible design to deliver exceptional thermal efficiency for fast-and-light mountain adventures.

Performance & Engineering

• 800 Fill Power Hydrophobic Goose Down – Engineered with 100g (Size 12) of 90/10 hydrophobic goose down with a minimum 800 fill power to provide outstanding warmth, excellent loft and reliable performance while keeping weight and pack size to a minimum.
• Innovative Hexagon Baffle Construction – Designed with Hexagon baffles optimised for maximum loft, improved down control and reduced heat loss, helping deliver exceptional thermal efficiency compared to traditional narrow baffle designs.
• Ultralight HELIUM 10D Fabric – Built with HELIUM 10D fabrics that are exceptionally lightweight, windproof and highly packable, making the jacket ideal for carrying on demanding mountain objectives.
• Mountain HC Hood with EXL® Elastication – Equipped with an insulated Mountain HC Hood featuring EXL® elastication, providing secure warmth and protection while accommodating a helmet when required.
• Technical Mountain Functionality – Features a 2-way YKK® Vislon® centre front zip, internal drop pockets for warming gloves and essential gear, and adjustable cuffs and hem to help seal out cold winds in exposed conditions.

Technical Specifications

• Ideal For: Ski Touring, Hiking & Trekking, Fast & Light
• Main Fabric: HELIUM 10D fabric; 100g (Size 12) 90/10 hydrophobic goose down insulation with minimum 800 fill power
• Weight: 280g / 9.9oz
• Hardware: 2-way YKK® Vislon® centre front zip with insulated baffle
• Pockets / Features: 2 zipped hand-warmer pockets, 2 internal drop pockets, Hexagon baffle construction, insulated Mountain HC Hood with EXL® elastication, DWR finish, elastane-bound cuffs, dual-tether hem drawcords, supplied with lightweight hexagonal stuff sack
• Fit: Women's alpine fit with helmet-compatible hood

Care & Longevity

Hand wash or machine wash at 30°C using liquid detergent or a specialist cleaner. Tumble dry on a low heat with a slow spin speed and store in a cool, dry place away from direct sunlight. Avoid high temperatures, fabric softeners and prolonged compressed storage to help maintain down loft, hydrophobic performance and long-term insulation efficiency.