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- 85L
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Lifetime Guarantee

Our products are fully warranted against defects in materials and workmanship with a lifetime guarantee. Exclusions apply*. See Details

Free Returns

Now offering free online returns on all orders shipped to Canada.


The Prophet, our largest mountaineering pack, has been rigorously tested by our athlete team and Denali guides to ensure that it’s rugged enough to be the ultimate pack for unsupported missions.


  • The patent-pending Dyno Carry System™ allows you to adjust the back panel on the fly without having to take the pack off
  • The Dyno Carry System™ features self-equalizing, on-the-fly, adjustable load lifters and on-the-fly, torso-length adjustment
  • Detachable, flip-forward lid
  • Oversize front crampon pocket
  • Front avy-tool sleeve for quick access
  • Tool keepers with covered tips
  • Side zipper gives access to the entire main compartment
  • Pack frame features an aluminum single stay and full frame as well as a PE frame sheet
  • Molded hip belt features a pocket and tool loop
  • Rope carry
  • Ski carry
  • Hydration sleeve
  • Sternum strap with whistle buckle
  • Reflective webbing for high visibility

Product Specifications

Avg Weight:
100L S/M - 5 lbs. 9 oz (2523 g) / 100L L/XL - 5 lbs. 11 oz (2580 g) / 85L S/M - 5 lbs. 5 oz (2410 g) / 85L L/XL - 5 lbs. 6 oz (2438 g)
100L S/M - 26" x 17" x 15" (66 cm x 44 cm x 38 cm)
100L L/X - 28" x 17" x 15" (70 cm x 44 cm x 38 cm)
85L S/M - 26" x 16" x 14" (66 cm x 41 cm x 35 cm)
85L L/XL - 28" x 16" x 14" (70 cm x 41 cm x 35 cm)
100L - 6102 in³ (100 liters) / 85L - 5187 in³ (85 liters)