Credit card processing is currently unavailable due to a network outage. For your convenience PayPal is available at checkout to complete your purchase.

Octal 45 Backpack


Octal 45 Backpack

Octal 45 Backpack is available to buy in increments of 1

We think an ultralight pack with proper support and essential features provides a better experience—more efficient and much more enjoyable—than hyper-minimalist stuff sack with zero structure. The difference shows the morning after a 15-mile day, when the Octal 45 proves that comfort is one trail essential you can’t live without.

  • AeroSpan suspension with EVAP moisture wicking shallow-depth ventilated back panel
  • Ventilated, dual-density FocusForm shoulder harness and extra supportive hip belts with targeted comfort zones
  • Leaf-Spring Lumbar pad for comfortable, energy-saving load transfer
  • Ultra-light 7001 aluminum perimeter frame with Anti-barreling support
  • Included custom fitted rain cover stows in the top pocket for quick access in unexpected showers
  • Removable top zippered pocket to shed ounces and swap-in included ultra-light weather flap to stay protected (stows in top pocket)
  • Sunglass QuickStow system on shoulder harness for quick, secure and scratch-free access to your shades without taking the pack off
  • Quick access on-the-go water bottle stow access on both the right and left sides
  • Over sized, durable front stretch mesh pocket for quick access organization
  • Dual zippered hip belt pockets provide secure, easy to access storage
  • Dual stretch mesh side pockets with Large capacity for bottles, camp sandals, trekking poles
  • Dual adjustable attachment loops and upper shock locks for trekking poles or ice axes
  • Ultra-light V-Compression system on side and bottom of bags
  • Lower side compression pass-through on side pocket for over/under option
  • Gear attachment points on top pocket and main body


  • 100% Nylon


  • Material: Body: 100-denier/210-denier HD tenacity nylon; lining: 135-denier HD polyester
  • Volume: 45L
  • Waist Belt: Yes
  • Access: Top
  • Ice Axe Carry: Yes
  •   Trekking Pole Carry: Yes
  • Rain Cover: Yes
  • Dimensions: 
    XS: 24 x 12.5 x 10 inches
    S: 26 x 12.5 x 10.5 inches
    M: 28 x 12.5 x 11.5 inches
  • Claimed Weight: 
    XS: 2.3 pounds
    S: 2.4 pounds
    M: 2.5 pounds
  • Manufacturer Warranty: Limited Lifetime
  • Dimension:
    XS: 24 x 12.5 x 10
    SM: 26 x 12.5 x 10.5
    MD: 28 x 12.5 x 11.5
  • Capacity:
    XS: 42
    SM: 45
    MD: 48
  • Weight:
    XS: 2.30
    SM: 2.39
    MD: 2.47