The Nathan Men's Hydration Race Vest in gray is a lightweight and reflective hydration vest designed for running. It features a zip closure and three pockets. The vest is moisture-wicking and includes a NEW1.5L bladder with insulated hose and 90 degree bite valve, making it ideal for staying hydrated during outdoor activities such as hiking and camping. With its zip and cinch pockets, this hydration vest offers convenience and functionality for those looking to stay hydrated while on the go.