Peak Design 20L Backpack: $130
BH Photo Video has Peak Design Everyday Backpack (20L, Heritage Tan) on sale for $129.95 (50% Off). Free shipping.
Note: The 20L Everyday was designed to hold a full frame DSLR with 3-4 lenses. A dedicated laptop sleeve holds a 15″ MacBook Pro laptop and 11″ tablet. Three FlexFold touch fastening dividers can be configured to create cubbies and pass-throughs to protect a variety of camera and lens combinations among other types of gear. The MagLatch system allows you to expand your bag if you find yourself carrying extra gear. Dual exterior side pockets and a compression strap can keep a tripod, umbrella, or water bottle securely attached to your backpack.