1 Ventra Mainframe Oct 12th 2015, 10:52pm ventragear.com/shop/mainframe Interesting concept Sometimes you will never know the value of a moment until it becomes a memory. Dr. Seuss
2 Oct 12th 2015, 11:15pm Weighs 11 oz or so, and is kinda large -- that makes me think it's not too strong or durable. It took me years and years but I've finally been sold on the advantages of internal-frame packs.