• 【Lightweight Design】The running vest only weighs 0.55lb/250g and measures 14.96*9.84in/38*25cm. Made of high-quality nylon and spandex, it is lightweight and practical, giving you a smoother and easier running experience.
• 【5L Storage Capacity】Compatible with 2*500ml soft water flasks and 1.5L water bladder (not included), the front chest zipper pocket can hold a 6.8-inch mobile phone (not included), you can put your sports necessities in other pockets, such as: tissues, towels, gels, keys, etc. Free your hands and focus on movement.
• 【Breathable and Adjustable】The AONIJIE running backpack is made of breathable mesh that allows air to circulate, keeping your back cool. Adjustable chest strap and waistband fit your body to the maximum extent, reducing bounce during exercise. Suitable for runners with chest circumference 30.7-45.6in/78-116cm.
• 【Thoughtful Storage Details】Adjustable cords on the back of the hydration pack add extra expansion room for your light jackets. YKK zippered pocket protects your phone. The trekking pole has an external hanging design and can be hung on your chest when the trekking pole is not in use.
• 【Ideal for Outdoor Activity】Designed for sports. This hydration backpack for running can be used for running and hiking. It is also suitable for almost all outdoors activities such as marathon, hiking, cycling, riding, race, camping, etc.