Gregory Optic 48 L Backpack - Internal Frame - BEACON BLUE (L )
Gregory Optic 48 L Backpack - Internal Frame - BEACON BLUE (L ), Closeout . Long miles arenand#39;t a problem with Gregoryand#39;s Optic 48 backpack, designed with AeroSpan ventilated suspension and an ultralight aluminum frame for superior fit and load management. Available Colors: BEACON BLUE. Sizes: L.