Helium 450 UL -7°C Down Sleeping Bag

RRP $749.95 Sale price $679.95 Save $70.00
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Helium 450 UL -7°C Down Sleeping Bag
Helium 450 UL -7°C Down Sleeping Bag
Helium 450 UL -7°C Down Sleeping Bag

A 3 to 4 season ultralight sleeping bag designed for minimum weight (only 800g!) & 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.

New shell fabric and down fill on the latest Helium production mean higher performance and less weight than ever. 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.


  • Tested to EN13537 standards
  • Filled with 450g of 800+ loft white 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


  • Temperature Rating: -1°C (Comfort)
  • Temperature Rating: -7°C (Lower Limit)
  • Weight: 800 grams
  • Packed Size: 31 x 15 x 15 cm
  • Down Fill: 450 grams
  • Fill: 800+ loft white duck down with DWR Loft
  • Fabric: 10D, 520T, ultralight Nylon (26g/m2)
  • Stuff Sack dimensions: 15.5x30.5cm
  • Maximum User Height: 185cm
  • Maximum Shoulder Circumference: 160cm