Timbuk2 Classic Messenger Bag (Medium) for $38.37 after coupon code ICE. Shipping is $7.95 for a total of $46.32 shipped. Here is a screenshot for reference. It has PVC-free liner, organizer pockets, ballistic nylon, heavy-duty stitching, side-cam shoulder strap and removable cross strap and is available in black, old gold/orange, army/fresco yellow, chestnut/fresco yellow, navy blue, and hazelnut/old gold. It usually sells for over $80.
Originally posted earlier, this post has been revised and is just a friendly reminder.