A lightweight, compressible down layer for alpine trips, hiking and colder travel days. Premium 850-fill goose down provides efficient warmth with little bulk, backed by synthetic insulation in damp-prone areas.

Key Features & Technical Specifications

• Down: 850-fill-power RDS-certified European goose down
• Hybrid insulation: Down Composite Mapping™ places Coreloft™ synthetic insulation in moisture-prone zones
• Shell: recycled Arato™ 15D lightweight nylon
• Performance: high warmth-to-weight ratio with compact packability
• Weather: water-repellent outer fabric, not a waterproof membrane
• Construction: articulated fit, zippered hand pockets and compact stowability
• High-loft down insulation for lightweight warmth
• Use beneath a waterproof shell in sustained rain