Wanted some pockets that I could fit insulated water bottles in for the winter and that would match the white of the Porter. This is his genius design that he came up with for me with white Xpac (I think) to mostly match the white theme.
Another view
Features a slanted top to access bottles easier while walking, with a toggle and drawcord so they can be closed when full of gear or snacks, attachments to slick-clips right onto the daisy chains on the sides
Looking at the back to show the clips













