• Water Bag System: The backpack is equipped with one 350 ml water bottles; easy to drink while exercisin
• Mutifultional Compartment: This hydration backpack is well-designed with compartments for water bag; energy; mobile phone; water bottle; cards; making it convenient for travelling with one bag
• Comfortable and Breathable: Our running hydration vest is designed with breathable mesh fabric; comfortable and breathable; suitable for sports; and with reflective webbing; it is also good for traveling at night
• Adjustable and Stable: This trail running backpack is equipped with adjustable shoulder straps; suitable for all chest shapes; close to the human body design; more stable; more suitable for exercise
• Lightweight Design: The backpack weight is 8.82 oz/ 250 g super light; The lightweight design of this hydration vest is ideal for your running; jogging; hiking; cycling and other trips