Gregory Optic 48 Pack

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Achieving fast, fluid motion on the trail takes more than counting ounces. The ultralight Gregory Optic 48 pack uses a weight-saving design with exceptional fit to deliver mileage-crushing efficiency.


  • Comfortable carry and thoughtful trail features keep your head in the game so you stay ahead of your thru-hiking itinerary
  • AeroSpan suspension with EVAP moisture-wicking, shallow-depth, ventilated back panel ensures breathable comfort
  • Ventilated, dual-density FocusForm shoulder harness and supportive hipbelt with targeted comfort zones aid carrying comfort
  • Leaf-Spring lumbar pad offers comfortable, energy-saving load transfer
  • Ultralight 7001 aluminum perimeter frame provides anti-barreling support
  • Custom-fit raincover stows in the removable top pocket for quick access in unexpected showers
  • Sunglasses QuickStow system on shoulder harness allows quick, secure and scratch-free access to your shades without taking the pack off
  • On-the-go water bottle stow access on both the right and left sides; oversized front stretch-mesh pocket for quick access organization
  • Dual zippered hipbelt pockets provide secure, easy-to-access storage; dual stretch-mesh side pockets with large capacity for bottles and camp sandals
  • Dual adjustable attachment loops and upper shock locks for trekking poles or ice axes; gear attachment points on the top pocket and main body
  • Ultralight V-compression system on side and bottom takes up excess volume; lower compression pass-through on side pockets for over/under option
  • Hydration compatible (reservoir sold separately)


View all Gregory Backpacking Packs

Technical Specs

Best Use


Frame Type

Internal Frame




Body: 100-denier/210-denier HD tenacity nylon; lining: 135-denier HD polyester

Frame Material


Number of Stays

Perimeter wire

Reservoir Compatible


Pack Access


Number of Exterior Pockets

3 + main compartment

Raincover Included


Hipbelt Pockets




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