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Mammut Sphere Down Spring Sleeping Bag


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  • Description

    Extremely lightweight materials and top quality down make the Sphere Down one of the lightest sleeping bags with the lowest packing volume.

    Ideal For:
    Mountain Hiking

    Characteristics / Features
    Maximum temperature (according to EN 13537): 22 C
    Lower comfort temperature limit men (according to EN 13537): -1 C
    Lower comfort temperature limit women (according to EN 13537): 4 C
    Extreme temperature (according to EN 13537): -17 C
    US temperature: 29 F
    Temperature according to US-Norm in C: -2 C
    Construction: Wave Box construction

    The prolightTX outer fabric is light as a feather, windproof and water-repellent
    Wave-shaped chambers prevent slipping of the down and stop cold spots
    Performance Hood with Advanced Visibility offers a full view with the hood closed and very good protection against the cold
    Ergonomic Foot increases comfort and insulation
    Two-layer 9-chamber construction in the foot area - for extra warmth in the winter model
    Contains non-textile parts of animal origin (down or leather)
    Improved zipper reduces risk of jamming


    Main Fabric
    prolightTX (bluesign -approved)
    Extremely light 20D nylon ripstop. Highly compressible, water-repellent, windproof and with high breathability.

    Outer Material: Polyamide 100 %

    lightTX (bluesign -approved)
    Ultra-light 20D polyamide ripstop lining. Very tearproof and with good moisture control.

    Outer Material: Polyamide 100 %

    White Goose Down 95/5, 800 cuin (RDS)

    Outer Material: Down 95 %, Feather 5 %


    Weight 550g
    Fill Down
    Length 180cm
    Comfort -1
    Extreme -17


    Weight 600g
    Fill Down
    Length 195cm
    Comfort -1
    Extreme -17

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