Comfortable and roomy! Has a semi-rigid foam construction with an aerodynamic shape. Includes a 15" padded laptop compartment, internal organizers, two small external pockets, an MP3 player pocket with audio port, and padded back with mesh lining. Yellow Devil Gear Exchange owner Jessica Prokup explains the features of this lightly used Yamaha Racing backpack. You can find it in the Luggage section of the web store at yellowdevilgear.com.