Slim in size, comfortable, and straps to your back like it was a part of it, the Crumpler Nhill Heist Backpack ($175) is the ideal transport for your laptop and other valuables. It can carry a laptop up to 17-inches in size and can provide it with utmost care and protection due to its heavy padding - plus, it's waterproof. The backpack has a sleeve for your laptop as well as space for other necessities; thus keeping things organized. It's designed to outlast its lifetime guarantee, making it an easy go-to bag for daily use and abuse.