This pack has only been used a few times and is in excellent condition, with no stains, tears, holes, etc. Gregory classifies this as ultralight: the weight with brain is 2.47 pounds, removing the brain and installing the top flap reduces weight to 2.37 lb. The rain cover weighs 0.21 lbs. The medium Optic fits a torso range of 18 – 20 inches.

Free shipping in ConUS, or I’ll be glad to meet in person if you are local to 23606 (deduct $15). I accept PayPal, cash, or check.

Here’s REI’s description of the Optic:

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)Are