Adorama has a Brenthaven Collins Vertical Messenger Shoulder Bag Sale $30.00 Free Shipping. $60 at amazon.

• Designed to hold Chromebooks up to 14".
• The inside is made with high-density padded foam that creates a cradle surrounding your computer, protecting it from bumps as well as suspending it above the bottom of the bag. The exterior material is chambray accented with PVC-free trim.
• Zippered phone pocket and rear slip-in pocket.