Description

A 3 to 4 season ultralight sleeping bag designed for minimum weight (only 850g!) & 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.

  • Filled with 450g 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 & warmth
  • 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:

  • 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)
  • Down Specifications: 800+ loft premium RDS white duck down
  • Down Treatment: Water resistant DWR Loft treatment
  • Zip Specifications: Side & Foot zips. YKK brand zips, dual sliders on side zip
  • Intended Use: Bushwalking/Alpine
  • Season Rating: Three/Four Season
  • Temperature Rating: Cold Sleepers & Women: -1C / Warm Sleepers & Men: –7C
  • Packed Dimensions: 15cm x 31cm (can be compressed further)

Maximum User Height:

  • Standard: 185cm (6’)
  • XL: 200cm (6’ 6”)
  • Women: 170cm (5’ 7”)

Weight:

  • Standard: 850g (includes 450g of down)
  • XL: 1,000g (includes 550g of down)
  • Women: 835g (includes 450g of down)