About the Gregory Men's Optic 48L Backpack, Medium in Beacon Blue:
Keep base weight low and mile count high with the ultralight AeroSpan ventilated suspension. Traveling light is more than just counting ounces. The exceptional fit and load management of the AeroSpan suspension on the Gregory Optic 48L Bacpack give you a low base pack weight with the mileage crushing efficiency.
On-The-Go Bottle Stow
Trail accessable stretch mesh water bottle pocket
Sunglasses Quickstow System
Quickstow system on shoulder harness for a secure, scratch free way to store your sunglasses
Ultralight Weather Flap
Swap out the Top zippered pocket and go even lighter with the included ultralight weather flap