business computer laptop backpack LOVEVOOK for Women, Teacher Work Laptop Bag with Large Cup Holder, Waterproof Travel Backpack Purse, Back Pack, College Bookbag Gift Nursing Backpack, 15.6 Inch : Electronics The back panel uses breathable mesh and a wide padded strap system to reduce shoulder strain Durable Nylon Laptop Backpack, Business

This looks to be the final Reely Hooked Fish Co

Another possibility I like a lot (although I've only begun to try it out) is the Six Moons Designs Flight 30 Ultra Running Backpack

The Clamp System is a complete no-rail mounting kit with heavier-duty hardware that grips your truck bed directly no factory rails required

You're right, I never bought accessories for it, so I forgot to mention it

Price: $300 Best Pack for City Cruising: Osprey Transporter Roll Top 25L Backpack Sleek, waterproof, and lightweight with all the bells and whistles you need to get through the daily grindincluding a padded laptop sleeve, adjustable shoulder straps and hi-belt, blinker light attachment loop for commuting, and a tough nylon exterior to stand up to constant use