Mont Helium 600 -4°C to -10°C

$899.95 $949.95

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The Helium 600 is an ultralight sleeping bag designed for minimum weight (1000g!) & maximum warmth, while maintaining versatility.  This is achieved through use of high quality down fill (800+ loft white down ), ultralight shell (10 by 10 denier, 520 thread count Nylon weighing only 26g/m2), & mummy design.  Versatility is maintained through use of dual zippers.

DWR Loft treatment adds greater resilience, higher loft and better warmth in damp conditions.

Central Desert Winters?  Yes, for all but the very coldest sleepers.


• New baffle system with vertical and horizontal baffles for optimal down distribution, loft height and warmth

• Nylon 210 denier laminated anti-snag tape runs along zip

• Mummy shape with wide foot section and a contoured hood

• Sewn with hydrophobic Epic thread to prevent moisture from wicking along seams


Design: Tapered rectangle with box-foot construction

Zips: Full length, 2-way, separate foot zip, YKK

Fill Type: Down

Fill Specifications: min. 800+ loft, DWR

Shell Fabric: 520 thread count, 10 by 10 denier ultralight Nylon (26g/m2)


(degrees C): -4 -10 NS
Fill weight (g): 600 600 7010
Total Weight(g): 980 1000 1160
Length (user height cm): 170 185 200
Width (cm): 80 80 85
Packed Size (cm): 16 x 33 16 x 33 16 x 33
EN13537 (European sleeping bag temperature rating)
COMFORT: Temp. at which a woman can expect to sleep comfortably in a relaxed position
LOWER LIMIT: Temp. at which a man can sleep for eight hours in a curled position without waking
EXTREME: This is a survival only rating for a standard woman


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