Large capacity bag with one main divided compartment with 2 fold out pannier side pockets and rear facing water bottle holder All the same great features in a version compatible with any rack Constructed from 600D polyester and EVA foam Reflective piping stripe Water resistant construction Velcro Strap 14.2x9.8x8.5` 1010 c.i. Black XXX-Large (700+ c.i.)