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UOG TOP PICK: Warm, tough, and expedition-ready, the Montane Kamen XT Down Hoodie combines high-loft down with durable fabrics — a top choice for the coldest and most technical alpine conditions.
Montane says:
Combining lightweight PERTEX QUANTUM Diamond Fuse alongside innovative ALLIED FEATHER ExpeDRY 800FP Goose down, The Kamen XT offers comprehensive protection and pinnacle thermal performance for technical mountain assents. Windproof protection is provided by our OFFSET baffle construction which maximises loft and reduces cold spots, whilst our PIVOT 3 hood system work alongside REACH+ advanced pattern cutting to ensure precise fit and unrestricted movement. Gear compatible pocket configuration ensure ease of access when harnessed in, whilst the mountain fit with enhanced layering capabilities complete this comprehensive cold weather fortress.
Our Verdict
The Kamen XT Down Hoodie delivers serious insulation and robust weather resistance in a carefully engineered package.
At 592g (Medium), it is clearly aimed at top-of-the-mountain use rather than fast-and-light duties. The ExpeDRY 800 fill-power goose down is treated to dry faster and resist moisture, so the insulation maintains loft for longer in damp conditions. Montane has paired this with PERTEX QUANTUM Diamond Fuse, a tougher face fabric than most ultralight shells, which withstands abrasion and pack use well. Offset box-wall baffles maximise loft and minimise cold spots, while synthetic panels in the shoulders and collar reduce compression and manage moisture where it matters.
The fit is mountain-oriented, with three-point hood adjustment and set-back cuffs that extend the down further over the wrist, sealing neatly with gloves. Two large internal dump pockets are excellent for stashing gloves or hats, while external chest and hand pockets remain accessible when wearing a harness or pack. I particularly like the dropped hem, which improves coverage and helps keep warmth locked in.
Breathability is limited by design; this is not a piece for sustained high-output movement, but it excels in static or exposed alpine use. The build quality and fabric choices make it feel far more durable than many ultralight down jackets, giving it absolute confidence as a reliable fortress layer when conditions turn harsh.
- Reviewed by Ultralight Outdoor Gear
Features
- OFFSET box wall baffle construction ensures maximum thermal performance
- Added Primaloft Gold synthetic insulation panels in CF collar and shoulders to manage moisture build up and provide durable insulation in high compression areas
- Reach + fit construction offers unparalleled arm lift and articulation for excellent movement
- PIVOT 3 fully adjustable, helmet compatible hood system with integrated front mountain safe adjustment points and rear speed adjustment
- Insulated CF placket prevents heat loss
- Reduction of vertical seams and enhanced pattern cutting improves durability, reduces weight and removes additional cold spots
- Included Cube stuff sack for efficient packability has been constructed to provide maximum fabric for use as a garment repair
- OFFSET seam intersections improve construction, durability and comfort
- 2-way YKK Vislon Natulon recycled CF zip
- 2x harness and pack compatible YKK Natulon recycled zipped chest pockets, insulated to keep essentials warm and protected
- 2x harness and pack compatible YKK Natulon recycled zipped hand warmer pockets
- 2x internal self-fabric stash pockets
- Built on the Mountain Fit block with added volume to allow for technical layering systems
Specifications
- Small Weighs: 588g
- Medium Weighs: 592g
- Large Weighs: 610g
- XLarge Weighs: 635g
- XXLarge Weighs: 659g
- Back Length: 76 (M)
Material & Construction
- PERTEX® QUANTUM DIAMOND FUSE A 20 Denier recycled nylon ripstop using Pertex Quantum Diamond Fuse technology. Diamond fuse yarn has an engineered cross section allowing the yarns to sit together even more tightly than conventional yarn creating an incredibly flat fabric surface. Not only does this increase the fabric's abrasion and snag resistance but helps shed water. PFC/PFAS Free durable water repellent (DWR)
- 90/10 ExpeDRY goose down at 800+ fill power (200g size M). ExpeDRY works through a permanent and chemical-free bonding of gold particles to the down cluster which aid in the evaporation of water molecules, causing the down to dry faster and stay dry in high humidity and extreme conditions.
- PrimaLoft® Gold Insulation Active Vent Lightweight warmth and thermal efficiency, designed for breathability and effective moisture management.
- PEAQ Lightweight recycled nylon plain woven fabric with a PFC/PFAS Free DWR.
