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.
- 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.in polyester storage sack with printed care & washing instructions
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Season Rating: 3 Season
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Cold Sleeper: 30°F / -1°C
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Warm Sleeper: 19°F / -7°C
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Shell fabric: 520 thread count, 10 by 10 denier ultralight Nylon (26g/m2)
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Lining fabric: 520 thread count, 10 by 10 denier ultralight Nylon (26g/m2)
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Standard size weight: 850g
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Women's size weight: 835g
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XL size weight: 1000g
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Packed size: 5.9x12.2 inches (15x31cm)
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Down rating: 800+ loft premium RDS white duck down
