If super lightweight walking or ski touring is the thing for you then the Mont Helium 300 down sleeping bag is an ideal choice. Impressively light, surprisingly compact and exceptionally warm by way of 800+ loft down.

Minimise your load on your next hiking trip with a Helium 300 sleeping bag. Outstanding warmth in an ultra compact package ideally suited to cool weather, three season camping in temperatures as low as 30ºF

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. A new 800+ loft white duck down fill with DWR Loft treatment adds greater resilience, higher loft and better warmth in damp conditions.

Filled with 10.6oz. of 800+ loft RDS 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 on horizontal baffles maximises loft height & warmtht
  • 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
  • Specifications

    • Intended Use Hiking
    • Season Rating 3 Season
    • Cold Sleeper 30°F / 4°C
    • Warm Sleeper 30°F / -1°C
    • 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 10.6oz. (300g) fill, 1lb. 8oz. (680g) total
    • Women's size weight 10.6oz. (300g) fill, 1lb. 7.3oz. (660g) total
    • Packed size* 5.9x11.4 inches (15x29cm)
    • Down rating 800+ loft premium RDS 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
    • *Can be compressed smaller using compression sack