Mont Helium 600 -4 to -10°C

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The Helium 600 is the warmest model in the Helium series suitable to temperatures as low as -10°C and still weighs under 1kg! Ideally suited to cold weather and four season camping including use above the snowline.

Ultralight shell fabric and high-loft 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 white down fill with DWR Loft treatment adds greater resilience, higher loft and better warmth in damp conditions.


  • Tapered rectangular shape with a wide foot section for room to move
  • Radial Arc Baffle System maximises baffle loft height & warmth
  • Differential cut reduces compression & cold spots
  • Continuous baffles allows flexible down distribution between base & canopy
  • Box walled baffles for warmth & weight efficiency
  • Large down-filled 3D draft tube along zip retains heat 
  • 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 stuff sack & 50L polyester storage sack with printed care & washing instructions


  • Intended use Bushwalking/Alpine
  • Season Rating 4 Season
  • Women &/or Cold Sleeper -4°C / 25°F
  • Men &/or Warm Sleeper -10°C / 14°F
  • 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)
  • Standard size weight 600g fill, 950g total
  • Women's size weight 600g fill, 920g total
  • Packed size* 16x33cm
  • Down rating 800+ loft premium white duck down
  • Down treatment Water resistant DWR Loft treatment
  • Zip side Left or Right on Standard, Left on Women's
  • Zip configuration Side & Foot zips. YKK brand zips, dual sliders on side zip
  • Colour Orange/Black


SKU 9900
Brand Mont
Shipping weight 1.1550kg
Shipping width 0.500m
Shipping height 0.500m
Shipping length 0.500m
Shipping cubic 0.125000000m3

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