Ultraspire Zygos Unisex Lightweight Hydration Pack - 5.0 Pitch Black, Medium (32-38)

About this item

• On-the-go Pockets and Compatible Bottles: Featuring 8 on-the-go pockets, there are 2 zippered shoulder pockets, a dual 4-way 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 2.0, 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.
• 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 2-liter reservoir that fits into the removable insulated bladder compartment
• ErgoFit - The human anatomy is intricate, showcasing remarkable complexity in both structure and function. Our packs are crafted with a similar level of meticulousness to facilitate accurate movement, optimal contact, and balanced weight distribution, guaranteeing that the natural biomechanics of the human body remain unimpeded.
• Insulated Bladder Compartment - Made of Mylar, the insulated compartment reflects and traps temperatures to help keep fluids hot or cold.