UltrAspire Zygos 4.0 running backpack

Bryce Thatcher's first choice, the Zygos 4.0 hydration pack, is highly versatile. This running vest is lightweight and has a high capacity. A comfortable fit with full compression allows the pack to be used at its lowest profile, whether empty or fully loaded. The Zygos 4.0 comes with a 2-liter reservoir and a magnetic clip to keep your hands free. The new stretch mesh fabric on the back provides an additional 4 liters of capacity, along with storage space on the front with extra pockets. Whether you're packing quickly, mountain biking, participating in a fast race, ultra-running, or summiting peaks, this running backpack is the solution for every athlete. Now available in five sizes.

Race Line: Designed for performance athletes. The Race Line focuses on ultra and trail running but can be used in any running scenario. Race Line products are tailored to the athletic body, feature UltrAcool technology for maximum breathability in all race vests, are made from very lightweight materials for comfort over long distances, and are built for pure performance.

Recommended Use: Versatile running backpack that can be used in any running scenario, whether in training or racing.

Details:

• Lightweight, soft, breathable yet strong, large-hole mesh pulls moisture away from the body to keep the skin dry and cool.
• Silicone and PU-coated, feather-light nylon fabric resists water, abrasion, and tearing.
• Max O2 sternum for unobstructed breathing with a stable pack.