Constructed from 600D nylon and EVA foam 3M reflective accents from improved visibility Divided main compartment, two mesh side pockets and integrated water bottle holder with cinch straps and drawstring Includes carry handle and removable shoulder strap MTX QuickTrack rear rack compatible Quick Release 13.8x8.3x7.5` 480 c.i Black 760g X-Large (301-500 c.i.)