We're here to help you prepare for whatever challenge lies ahead whether it's the run of a lifetime or a long distance multi day race. Zephyrtrade pro vest brings you what you need when you need it most so you can focus on what matters testing your limits and achieving your peak performance. When you're running on the edge you need gear that gives you the confidence to push yourself farther. The zephyrtrade pro vest delivers hydration and nutrition storage that keeps you going through long days in any terrain. Our convenient trekking pole quiver is engineered for secure and easy access when you need it ndash and it stays out of the way when you don't. Dual adjustable sternum straps an integrated smartphone pocket reflective materials and four point compression make this vest perfect for any distance adventurer. It's engineered optimized and refined to help you conquer the most challenging environments like 100 mile ultra marathons utmb and other long distance runs. See what you're really capable of with zephyrtrade pro vest. Key features stowable and fully removable trekking pole quiver allows you to easily access your trekking poles while running. Engineering knit mesh with body mapping technology we incorporated our body mapping tech into this mesh design. There are mens and womens specific patterns based on which parts of your backs get hot. Thus keeping your back cooler! Secure phone pocket keep your phone close to the vest and close to you with our easy to access phone pocket. Dual adjustable chest straps for an easily customizable fit ensuring all day comfort. Stretch overflow pockets perfect for any extras you may need on your journey. Fuel and gear storage just enough room for all of your snacks water and running gear. Reflectivity various points of intentional highly visible reflectivity to keep you safe on your run as the sun goes down. Safety whistle on the trails you are our number one concern. The safety whistle is perfect for alerting people you're near or calling for help. Four point compression there are two compression straps on each side of the vest that help the vest to fit your body. They help the vest feel like it was designed specifically for your body and makes it disappear from your mind as you run. Ultralight materials this means 'no unnecessary baggage' for your trek so you can run all day in comfort. Tube trap allows you to have the versatility of using a reservoir and to easily grab the hydration tube without having to unbuckle or unhook for easy on the go hydration. Quick stow flasks this lightweight collapsible flask fits easily into the pockets of your run vest and features our classic one piece silicone bite valve for rapid hydrationmdashperfect for race day. Dimensions and weight 39 cm x 15 cm x 24 cm 210 gr material composition 26% woven nylon 1% woven poly 19% knitted nylon 54% knitted poly