material Waterproof, durable fabric for reliable use in all weather conditions The waterproof design helps keep items dry and breathable, while reflective stripes enhance visibility for challenging outdoor activities and all seasons Wide mesh shoulder straps reduce shoulder load and improve comfort during outdoor sports Hydration and storage Two storage compartments designed for a 2L water bladder and a 500ml soft bottle (bladder and soft bottle not included) Front panel features five small pockets for essentials such as mobile phones, keys, towels, and snacks Hydrate on the go: drink directly by taking a bite, so you can stay hydrated anytime without slowing your pace Adjustable and secure fit Adjustable chest strap moves up and down to prevent discomfort while riding Waist safety buckle keeps the pack secure and close to the body, reducing sway during exercise Safety and visibility Reflective strips on the front and back increase safety in low visibility conditions, helping you stay visible and comfortable on longer runs Use scenarios Long outdoor runs, cycling, or hikes in variable weather, where hydration and quick access to essentials are important Training sessions that require carrying a few items and staying hydrated without interrupting pace Lowlight workouts or commutes where enhanced visibility improves safety