- Reflective and versatile: This running hydration vest features reflective prints on the back for safety in low-light conditions. Whether you are on trails, exploring new routes, or participating in endurance events, this hydration pack is a reliable companion. - Comfortable and adjustable: Made for maximum comfort, it offers adjustable chest straps from 34.65 to 42.52 inches to fit your height and torso shape. The breathable mesh prevents overheating and discomfort during intense training. - Hydration on the go: Stay hydrated during long runs, marathons, hikes, or bike rides with a 1L water bladder and 2 x 500 ml soft water bottles. You can access water easily when needed without slowing down. - Secure storage: Multiple pockets and compartments provide space for gels, keys, phone, snacks, and other essentials. Keep your items secure and within easy reach while you focus on performance.