The Cross Back Day Pack is a great pack for school or the trail. It has 2333 cubic inches of useable space with two large compartments to help you organize all your stuff. The front zipper pocket has an organizer to keep smaller items separate and in place while the water bottle pockets on the sides will aide in keeping you hydrated. The 600D polyester is reinforced on the bottom with ballistic fabric. Precontoured shoulder straps give a better fit while the shoulder straps and back are covered with dri-lex mesh to keep you dry and comfortable. A quick access CD pouch on the top keeps your tunes handy and the removable cell phone case makes it easy to stay in touch with your friends. Features include: 600D polyester construction Two large compartments Pre-contoured shoulder straps Quick access CD pouch Removable cell phone case Skateboard straps Side compression straps Low profile padded top handle Reflective tabs Available in black, shade, or beet colors Imported