Mountain Equipment Helium 400 XXL Sleeping Bag
The 'gran turismo' of the Helium range. Wider and longer and offering exceptional comfort and performance for long-distance backpacking and trekking.
- HELIUM 20D outer shell is very light and highly breathable
- 467g of 90-10 Pure Duck Down with a minimum fill power of 700
- GT fit: a wider and longer version of their Alpine Fit
- Slanted Box-Wall baffles throughout
- Mid-level side seams
- 5 baffle anatomically shaped hood
- 4 baffle anatomically shaped and offset foot-box
- Full length Gemini zip baffle and integrated collar with Lode Lock closure
- Supplied with waterproof roll-top stuff-sack and storage cube
- Weight: 1030g / 36oz
Total Weight: 1030g / 36oz
Fill Weight: 467g / 16oz
Pack Size: 26cm x 23cm x 20cm
Comfort Limit: -3°C/27°F
Good Nights Sleep: -5°C/23°F
Helium fabrics are exceptionally light, compressible and tough. There densely woven construction ensures the highest levels of down-proofing, wind resistance and resistance to heat loss.
Their high-quality duck down has an actual minimum down cluster content of 90% and is Down Codex approved.
By utilizing slanted box-wall baffles throughout the entire main body of Mountain Equipment's Helium bags meaningful weight is removed from the bag's structure. On the very lightest models, further weight savings are gained by the use of stitch-through baffles. The use of mid-level side-seams affords great versatility whether the bag is laid on its front or back and this is also reflected in the distribution of fill which, whilst slightly favouring the top side allows plenty of fill to remain in the underside, foot piece and hood.
Weighing just 38g/m2, HELIUM 20 uses 20 denier yarns to create a fabric that is compressible, tough, and extremely comfortable. Its densely woven construction ensures the highest levels of downproofing, wind resistance and resistance to heat loss. The new HELIUM 20 offers greater hand feel over previous HELIUM fabrics as well as reduced seam slippage, resulting in even greater durability than the previous fabric.
Supersoft 30 is their legendary performer chosen for its breathability and durability. Weighing just 49g/m² provides exceptional durability with a soft hand and good breathability.
A four baffle foot piece featuring their unique Bulls Eye Technology and offset Sharks Toe foot that is engineered for their lightest technical sleeping bags. Its baffle construction restricts down migration whilst keeping weight and bulk to a minimum.
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