Venture Ready Pack 26 L 2nd Edition cpl CTB20 is the answer

CTB20 is the answer

Pocket layout works in vertical and horizontal positions

But be warned

16": closed dimension: 402 x 255 mm

Venture Ready Pack 26 L 2nd Edition cpl CTB20 is the answerThis versatile crowd pleaser has dual storage sections that keep essentials at hand, and the rest stowed and streamlined. The top pocket keeps your small essentials phone, snacks, sunnies organized and easy to reach. The main compartment securely stows the rest of your gear. Unzip the bag halfway for easy access to the main compartment and all the pockets, while youre on the go. Unzip it all the way for full, lay flat packabililty. Dual density foam