TRIWONDER Running Hydration Vest Women Men Lightweight Water Backpack Reflective Breathable Water Bladder Bag for Marathon Cycling Hiking (Grey - with a 2L Water Bladder, One Size)

• Smart Storage: This hydration pack includes a zippered main compartment for a 2L water bladder or other essentials, a zipper pocket for phones (fits 5.5 in devices), and quick-access pockets for soft flask, energy gels or sunglasses; Extra elastic strings hold towels or raincoat
• Breathable: Mesh back panel and ventilated shoulder straps enhance airflow, keeping you cool and dry during workouts like trail running or marathons
• Adjustable: The running backpack features customizable shoulder and chest straps for a snug fit, reducing chafing and bounce
• Comfortable and Reflective: Made of nylon and polyester mesh, this water backpack is lightweight and durable, allowing you to exercise without any burden; 360° reflective strips boost visibility in low light, ensuring safety for night runs
• Widely Used: Ideal for running, hiking, cycling, and climbing, this hydration vest combines lightweight comfort with rugged durability

runing backpack