UltrAspire Zygos Unisex Lighweight Hydration Ultra Running Pack 50 Pitch Black Small W 2L Reservoir

ErgoFit The human body is complex with intricate detail and function The same attention to detail is present in the design of our packs to enable precise movement contact and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body Insulated Bladder Compartment Made of Mylar the insulated compartment reflects and traps temperatures to help keep fluids hot or cold Reinforced Main Back Compartment The main back compartment has been reinforced at the stress points with XT fabric which contains stronger than steel ripstop fibers This pack includes a 2liter reservoir that fits into the removable insulated bladder compartment Onthego Pockets and Compatible Bottles Featuring 8 onthego pockets there are 2 zippered shoulder pockets a dual 4way stretch mesh pocket a pair of stretch mesh pockets one of which is zippered and suitable for carrying a large cell phone a zippered side pocket and a magnetically closed side pocket UltraFlask Formula 250 Human 20 oz 20 or Collapsible Bottle NOT INCLUDED MAX02 Sternum The Max02 Sternum is a shock cord securing system that helps create a comfortable natural breathing pattern while at the same time keeping the pack secure The shock cord allows for stretch outward and 100 rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement