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CamelBak's most popular men's running hydration vest - the CamelBak Circuit Vest 1.5L.
CamelBak's most popular running vest is now lighter and more comfortable! The Circuit Vest includes a 1.5-liter CRUX reservoir that delivers 20% more water per sip and is lighter than previous reservoirs. Featuring a more streamlined dual sternum strap adjustment system with integrated reflectivity, and a new 3D Micro Mesh, the Circuit is lighter, more comfortable and better ventilated. The secure zippered pocket fits most smartphones and the open front harness pockets are specifically designed for Quick Stow™ flasks (sold separately) should you need additional hydration. The Circuit can be used for a variety of activities and thanks to the highly adjustable side compression, it ensure a stable fit over any terrain.