Gonex via Amazon offers its Gonex 35-Liter Lightweight Packable Backpack
in five colors (Deep Blue pictured) with prices starting from $15.99. Coupon code "WACYLHEB" cuts the price to $13.99
. Plus, Prime members receive free shipping
. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping adds $5.58.) That's $45 off list and the lowest total price we could find. This foldable nylon backpack features several compartments, two mesh side pockets, and zippered closures.