Lightweight warmth for serious alpine objectives

The Mountain Equipment Oreus Hooded Men's Jacket combines PLASMA 10D outer fabric with innovative Aetherm™ Precision Insulation to deliver exceptional warmth, breathability and packability for demanding mountain environments. Designed for alpine climbers, mountaineers, ski tourers and trekkers, it offers down-like warmth alongside the durability and weather resistance of synthetic insulation. No verified temperature rating or weather threshold has been supplied, but it is built for use across technical alpine routes, mountain expeditions and winter hill days.

Performance & Engineering

• Aetherm™ Precision Insulation. Engineered with groundbreaking Aetherm™ synthetic insulation that combines fibre technology with heat-reflective fabric technology, delivering outstanding warmth-to-weight performance, high loft and excellent packability for cold mountain conditions.

• PLASMA 10D Lightweight Shell. Built with PLASMA 10D outer fabric that balances ultralight weight and high breathability, helping maintain comfort during high-output activities such as alpine climbing, ski touring and fast-paced mountain ascents.

• Insulated Mountain HC Hood. Designed with a fully insulated Mountain HC Hood that provides dependable protection from wind and cold whilst remaining helmet compatible when required for technical climbs and mountaineering objectives.

• Weather-Resistant Protection. Engineered with a durable water-repellent (DWR) finish that sheds rain and snow, helping preserve insulation performance and comfort in mixed or changing weather conditions.

• Technical Storage & Packability. Built with multiple secure storage options and a design that packs into its own internal pocket with twin carabiner carry loops, making it easy to carry on a harness or stow compactly in a pack between pitches.

Technical Specifications

• Ideal For: Alpine Climbing, Mountaineering, Mountain Walking & Trekking
• Main Fabric: PLASMA 10D outer fabric with DWR finish; Aetherm™ Precision Insulation
• Weight: 340g / 12oz
• Hardware: 2-way YKK® Vislon® centre front zip with insulated baffle
• Pockets / Features: 2 zipped hand-warmer pockets, 1 chest pocket, pleated internal drop pocket, insulated Mountain HC Hood, elasticated cuffs, dual-tether hem drawcords, packs into internal pocket with twin carabiner carry loops
• Fit: Not specified

Care & Longevity

Machine wash at 30°C using liquid detergent or a specialist cleaner. Tumble dry on a cool setting to help restore loft and maintain insulation performance. Store in a cool, dry place away from direct sunlight when not in use. Avoid high-temperature washing or drying and always follow the manufacturer's care instructions.