Bryce Thatcher’s pack of choice, the Zygos 4.0 hydration pack is very versatile. This pack is lightweight and high capacity, a comfortable wrap around style with full compression allow for the lowest profile empty or fully loaded. The Zygos 4.0 comes with a 2L reservoir and a magnetic clip to keep your hands free. New expandable mesh on the back panel gives 4 liters of extra capacity as well as storage in the front with extra pockets. Whether you are fastpacking, mountain biking, in a fast race, ultra race, or summit assault this hydration backpack is the solution for any athlete. Now available in five sizes.
Race Line: Built for the competitive athlete. Our Race Line focuses on Ultra & Trail running but can be used in any running scenario. Our Race Line products are sized to fit the athletic body, feature UltrAcool technology for maxiumum breathability on all race vests, made with very lightweight material for comfort during long distances, and created for pure performance.
Size(s): 2X Small (26″-32″) X Small (28″-34″) Small (30″-36″), Medium (32″-38″) or Large (34″-42″)
Color: Pitch Black, Emerald Blue*
Hydration (included): 2L Reservoir with mag-clip to secure hose.
Bottle Compatible (not included): UltraFlask, Formula 250, Human 20 oz 2.0, or Collapsible Bottle
Capacity: 854 c.i. (14L)