L.L.Bean offers the Escape 20-Day Backpack
in Lindin Green, Molten Red, or Crisp Lapis for $49.99
with free shipping
. That's $30 off list and the lowest total price we could find. It features a raised back panel with air mesh cover, foam-and-mesh-covered shoulder straps, and interior back panel foam cushion. It measures 18.5" x 9.5".