mwave offers the Datashell Flying Shield 15.6" Laptop Backpack in Steel Silver, model no. CBP-VY15-SR, for $34.99 with free shipping. That's $15 under our May mention and the lowest total price we've seen. (It's also a current price low by $65.) It fits laptops up to 15.6" and features water-repellent fabric and a padded shoulder strap with cellphone pocket.