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4th Dimension -15F/-26C

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  • Velcro tab at zipper sliders stay in place when venting
  • Insulated draft tube extends to bottom of bag and is not sewn through, eliminating cold spots
  • Snag guards prevent fabric from catching in the zipper
  • Differential cut maintains maximum loft
  • Upgrade tie-in loops stabilize upgrade liner
  • Multi panel, contoured footbox
  • Double draft tubes keep heat in
  • Expandable draft tube provides additional room for warm temps and layering space for colder temps
  • Insulated draft collar with offset drawcord seals in heat below the shoulders
  • Contoured hood forms around head to seal in heat
  • New Polarguard Delta insulation
  • Slant baffle construction ensures consistent thickness of insulation
  • Performance-cut mummy shape is more efficient and saves weight, reducing girth at shoulder, hip & legs
  • Insulated hood tube seals in heat around face
  • Two-way locking zipper sliders stay in place when venting

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