Built to be worn across the back, the Ripper leaves your chest and shoulder area unencumbered. The 1.5L bladder size is great for all types of rides.Dedicated Anti-Sloshing hydration bladder compartment with hook & loop secure strap for holding bladder in place and tube channel portFeatures a top fill closure and anti-slosh stabilizing handle for easy fill and cleaningInsulated Cooler Fabric lining that keeps liquid cold for 30% longer2 side pockets for small item storageFront storage pocket for larger itemsBungee cord front area great for lightweight clothes and jacketsBack panel made with EVA foam and mesh backing150D Mini honeycomb rip stop with PU 3x backing50oz./1.5L bladder – Custom mPE/EVA film, naturally antimicrobial, BPA free, zero taste, and odor-freeDimensions: 7.5" H x 10" W x 4.5" D Capacity: 335 cu.in./5.5 L (includes bladder)