Helium 450 UL -7°C Down Sleeping Bag

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

Features

• 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
• Tapered rectangular shape with a wide foot section for room to move
  
• Box walled construction for warmth and weight efficiency
  
• Radial Arc Baffle System maximises baffle loft height
• Vertical baffles on torso maintain optimal down distribution
  
• Differential cut reduces the potential for cold spot compression
• Contoured hood keeps down evenly distributed around your head
• 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
• Large down-filled 3D draft tube along zip retains heat
  
• Laminated 210 denier Nylon anti-snag shield along zips
  
• Includes ultralight siliconised-Nylon Z-Force Mechanical Advantage Compression Stuff Sack & 50L polyester storage sack with printed care & washing instructions
  

Specifications

• Temperature Rating: -1°C (Comfort)
• Temperature Rating: -7°C (Lower Limit)
• Weight: 850 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)
• Maximum User Height: 185cm
• Maximum Shoulder Circumference: 160cm