Race-ready backpack with 5L storage and hydration bladder A 5-liter backpack with included bladder and plenty of extra space for essentials. The ActiveHold Harness System features stretch panels to suspend the pack, and also helps it to conform to the riders&&';; body for maximum comfort. A hydration window in the included 1.5l (50 fl oz) bladder lets you check fluid levels, and multiple pockets help to keep everything organised. A ActiveHold Lite Harness System - stretch panels act as suspension and let the pack conform to the rider A 5L storageA 1.5L bladder includedA Adjustable StrapsA Multiple pockets