Helium 300 -1°C

Helium 300 -1°C

Brand: Mont
Product Code: Mont Helium 300
Online Only
Price: $449.95 $499.95

Available Options

The Helium Ultralight Series uses 800+ loft premium white duck down for warmth with Mont's DWR loft treatment for moisture resistance.  By utilising a new ultralight shell fabric, the Helium bags are able to achieve exceptional warmth to weight, making these bags suitable for all kinds of lightweight bushwalking and alpine touring.


Weight: 700g

Down Fill Weight: 300g

Down: 800+ Loft Goose Down 

Shell Fabric: Pertex Quantum


Intended Use: Bushwalking

EN 13537 Temperature Rating: T Comfort 4ºC. T Limit -1ºC. T Extreme -17ºC*


Maximum User Height: 185cm

Maximum Shoulder Circumference: 160cm


*EN 13537 T Extreme is a survival rating only. Do not rely on this rating for general use!

Extra Product Info
Tech Info
  • Filled with 300g of 800+ loft white duck down
  • DWR Loft treatment on down keeps down lofting higher for longer in damp conditions
  • Outer shell made from ultralight Nylon, 10 by 10 denier, 520 thread count, down proof, 26g/m2
  • Inner shell made from 15 denier down proof Nylon
  • Box walled construction for warmth and weight efficiency
  • Radial Arc Baffle System maximises baffle loft height
  • Differential cut reduces the potential for cold spot compression
  • Contoured hood keeps down evenly distributed around your head
  • Oven door foot venting system for temperature regulation
  • Tuck stitching for increased durability of baffles
  • Baffles sewn with Hydrophobic Epic thread which prevents moisture from wicking inside the shell
  • YKK Full length side and foot zips to increase versatility
  • Left and right hand models can be zipped together
  • Oversized 3D draft tube prevents heat loss along zip
  • Nylon 210 denier laminated anti-snag tape runs along zip
  • Supplied with ultralight siliconised nylon stuff sack and large storage bag with printed care instructions
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