Men's Fast and Free Modular Running Vest

Chest measurements: XS/S: 88.9cm–96.5cm (35"–38") M/L: 99.1cm–106.7cm (39"–42") XL/XXL: 109.2cm–121.9cm (43"–48")

Adjustable stretch sternum straps keep your vest snug and secure as you run. Bonus: detach and use as a hair tie in a pinch Reflective design element Hiking poles, hydration flask, hydration bladder, phone, and bicycle light not included Strap on top of shoulder keeps your hydration hose in place Whistle in front pocket Front drop-in pocket fits a 500ml hydration flask with an elasticated loop to keep flask in place Secure zippered pockets fit your phone Drop-in pockets for running essentials and interior electrolyte pocket Back storage on vest fits a 1.5L hydration bladder Backpack stores an additional 1.5L hydration bladder bag with a hydration hose entry point Roll-top design for easy access Fully packs into itself for quick storage when not in use