[Caividom] Running Backpack, Ultralight 140g, Includes Hydration Bag, Hiking, Trail Running, Cycling Races, Marathon, Reflective, Breathable, 5L,

[Lightweight] Weighing only 150 grams, this ultra-lightweight body significantly reduces the burden on your shoulders and back during running and cycling. Its lightweight design makes it comfortable even during long trail runs, and you'll barely notice you're wearing it. As a popular running sports vest, it enables stress-free exercise. [Breathable] Made with highly breathable mesh material, it promotes airflow and releases heat from your back. This prevents discomfort caused by heat buildup, keeping you cool at all times. As a breathable backpack, it's ideal for outdoor activities in hot weather. [Storage Function] A pocket for a 250ml bottle is located on the side strap. There's also a dedicated smartphone pocket near the main compartment, allowing you to enjoy music even while hiking. As a trail backpack with a water bladder, it offers practical storage for added convenience. [Adjustable] Water-resistant straps and multiple adjustment points provide a customized fit. As a backpack vest, it ensures a stable fit and prevents shifting during exercise. Easy adjustment makes it comfortable for anyone to use. [Multipurpose Use] The compact design reduces wind resistance and is suitable for a wide range of activities including cycling, running, and hiking. With a storage capacity of 21 x 7 x 38 cm, it is ultra-lightweight and highly portable. It can be used as a shoulder bag or backpack for running, walking, and hiking, and is unisex and can be used by children as well.