Amazon offers the Herschel Supply Co. Little America Backpack in Navy for $63.67 $64.21 with free shipping. Except for the mention below, that's the lowest total price we could find by $6. It features magnetic snap-tabs, a drawstring and zip closure under the flap, and interior media pockets.

Note: AreaTrends via eBay has it in eight colors for $64.99 with free shipping.