Targus 15.6" Active Commuter Backpack - TSB950US - Newegg.com
Targus 15.6" Slate Backpack, Gray - Walmart.com
Targus 15.6 Invoke Compact Plus Backpack Black - TBB614GL - Walmart.com
Amazon.com: Targus Large Commuter Work and Play Large Gym Fitness Backpack with Protective Sleeve for 15.6-Inch Laptop, Black/Yellow (TSB944US) : Electronics