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Summit Series
Summit Series
Inferno -40F/-40C
A dependable workhorse for expeditions in the world's harshest environments with temperatures down to -40 degrees, this lofty Summit Series® bag is insulated with water-repellent 800-fill ProDown and constructed with a wider, roomier cut and a center zip to make it easier to get in and out. Part of the Summit Series™ collection- the world’s finest alpine equipment.
  • Summit Series™ represents the world’s finest alpine equipment and apparel
  • Our warmest expedition bag, designed for the coldest places on earth
  • 800 fill ProDown™
  • Generous cut allows you to wear more layers or to "maytag" in the bag
  • Full draft collar and integrated draft overlap for comfort and to prevent heat loss
  • Water-resistant Neovent Air fabric on hood, footbox and back protects moisture-prone areas
  • Trapezoidal side baffle to prevent down migration
  • Center zipper for easier access
  • Internal pocket for insulated storage
  • Compression sack and storage sack included
  • Hood cinch-cord seals out the cold
Inferno -40F/-40C
Summit Series
Summit Series
Inferno 0F/-18C
A dependable workhorse for zero-degree expeditions, this lofty Summit Series® bag is insulated with water-repellent 800-fill ProDown and constructed with a wider, roomier cut and a center zip to make it easier to get in and out. Part of the Summit Series™ collection- the world’s finest alpine equipment.
  • Summit Series™ represents the world’s finest alpine equipment and apparel
  • Durable 0-degree bag is constructed with 800 fill ProDown™
  • 800 fill ProDown™
  • Generous cut allows you to wear more layers or to "maytag" in the bag
  • Full draft collar and integrated draft overlap for comfort and to prevent heat loss
  • Water-resistant Neovent Air fabric on hood, footbox and back protects moisture-prone areas
  • Trapezoidal side baffle to prevent down migration
  • Center zipper for easier access
  • Internal pocket for insulated storage
  • Compression sack and storage sack included
  • Hood cinch-cord seals out the cold
Inferno 0F/-18C
New Arrivals
Eco Trail Synthetic 0
The Eco Trail Synthetic Zero features an array of practical features and 100%-recycled synthetic insulation that continues to deliver warmth, even when wet.
  • Fully recycled materials feature embossed lining for enhanced aesthetic appeal
  • 100% recycled synthetic insulation provides warmth even when wet
  • Extended width in knees for maximum comfort and mobility
  • Wraparound J-zip allows for increased mobility and venting
  • Fitted hood for warmth and comfort
  • Draft collar for comfort and preventing heat loss
  • Hood cinch-cord for warmth
  • Internal phone/watch pocket
  • Vaulted footbox
  • Tie-down loops for securing bag to sleeping pad
Eco Trail Synthetic 0
Green Kazoo
Efficiently designed for reliable warmth in 0-degree weather, this warm mummy bag delivers comfort at an incredibly low weight. Our water-resistant, natural 700-fill ProDown™ bag features a fitted hood, baffled zipper, and draft collar for better heat-retention in adverse conditions.
  • Premium, 0-degree ProDown™ bag delivers incredible warmth at a low weight
  • 700 fill ProDown™ for better performance in adverse conditions
  • Anti-compression pads for better insulated performance
  • Compression-optimized fill schedule for a smaller packed size
  • Fitted hood for more warmth and comfort
  • Zipper baffle and draft collar to prevent heat loss
  • Pad loops for attaching the bag to a sleeping pad
  • Vaulted footbox
  • Compression sack and storage sack included
  • 10% more compressible
Green Kazoo
New Arrivals
Eco Trail Down 0
The Eco Trail Down 0 is an affordable, feature-rich sleeping bag made from fully recycled materials.
  • Fully recycled materials feature embossed lining for enhanced aesthetic appeal
  • Extended width in knees for maximum comfort and mobility
  • Wraparound J-zip allows for increased mobility and venting
  • Fitted hood for warmth and comfort
  • Draft collar for comfort and preventing heat loss
  • Hood cinch-cord for warmth
  • Internal phone/watch pocket
  • Vaulted footbox
  • Tie-down loops for securing bag to sleeping pad
Eco Trail Down 0
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