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A 3 to 4 season ultralight down sleeping bag designed for minimum weight (only 1lb. 13.9oz!) & maximum versatility, the Helium 450 has proven popular with hikers in a range of climates from coastal walks to sub alpine elevations.
Mont Adventure Equipment says:
A 3 to 4 season ultralight sleeping bag designed for minimum weight (only 1lb. 13.9oz!) & maximum versatility, the Helium 450 has proven popular with hikers in a range of climates from coastal walks to sub alpine elevations. The 450 allows temperature regulation with dual zippers & offers incredible warmth-to-weight thanks to 800+ loft down. Maximise your pack space with a compact, lightweight and versatile Helium 450 sleeping bag.
Ultralight shell fabric and high-loft RDS down fill on the Helium bags mean higher performance for less weight. Durable 10 by 10 denier, 520 thread count Nylon weighing only 26g/m2 with a hot-rolled-cire treatment to prevent down leakage and increase durability. Premium 800+ loft RDS white down fill with DWR Loft treatment adds greater resilience, higher loft and better warmth in damp conditions.
Our Verdict
We're working out what we think about Mont Adventure Equipment's Helium 450 LHZ Down Sleeping Bag, we'll add our comments here in due course.
- Reviewed by Ultralight Outdoor Gear
Features
- Tapered rectangular shape with a wide foot section for room to move
- Radial Arc Baffle System on horizontal baffles maximises loft height & warmth
- Vertical baffles on torso maintain optimal down distribution
- Differential cut reduces compression & cold spots
- Box walled baffles for warmth & weight efficiency
- Large down-filled 3D draft tube along zip retains heatÂ
- Contoured hood keeps down evenly distributed around head
- Laminated 210 denier Nylon anti-snag shield along zips
- Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams and inside the shell
- Tuck stitched for seam strength & greater water resistance
- Full length YKK side zip with dual sliders & foot zip
- Includes ultralight siliconised-Nylon Z-Force Mechanical Advantage Compression Stuff Sack & 50L / 3,051cu. inpolyester storage sack with printed care & washing instructions
Specifications
- Regular Weight: 829g
- Long Weight: 966g
- Compression Sack Weighs: 97g
- Cold Sleeper: 30°F / -1°C
- Warm Sleeper: 19°F / -7°C
- Season Rating: 3 Season
- Packed size: 5.9x12.2 inches (15x31cm)
Material & Construction
- Shell fabric 520 thread count, 10 by 10 denier ultralight Nylon (26g/m2)
- Lining fabric 520 thread count, 10 by 10 denier ultralight Nylon (26g/m2)
- Down rating 800+ loft premium RDS white duck down
- Down treatment Water resistant DWR Loft treatment
- Zip side: Right Regular, Left Large
- Zip configuration Side & Foot zips. YKK brand zips, dual sliders on side zip
- Colour Orange/Black
