OGIO - Carbon Pack has a go-anywhere design in a streamlined size that's engineered to hold all the essentials in place. 600D poly/420D dobby poly Single main compartment Yoke-style shoulder straps Drop-in audio pocket with headphone exit port Dual-side mesh water bottle pockets Front pocket with organizer panel Dimensions: 18"h x 11"w x 8"d Capacity: 1,700 cu.in./27.9L Weight: 1.15 lbs./0.52kg Note: Bags not intended for use by children 12 and under. Includes a California Prop 65 and social responsibility hangtag.