Hydration is vital for outdoor activities. LotFancy running hydration backpack is the best outdoor gear to meet all your needs. Lightweight material never add burben while doing exercise. You can\'t even notice it on your back. Waterproof and ripstop nylon cloth keep the essentials inside safe under any bad situations. Airflow design keeps your back cool and mostly sweat free even in hot summer day. Considerate reflective straps make you safely run at night or in the morning. Adjustable shoulder and chest straps fit men and women size. The chest strap prevents bounce from exercising. With 3 storage compartments, it is capable of holding everything from energy bars to car keys to a smartphone or wallet. For the bigger compartment, a spare change of clothes, food fit perfectly without making the pack too cumbersome or heavy on a day hike or even a longer backpacking trips. With a 2L (70oz) water bladder, it is convenient to supply you water anytime and keeps you hydrated and energetic all day. Wide mouth opening for easy cleaning and fast refilling. Easy on/off bite valve is perfect for controlling water flow and can prevent accidental leaks. Package Includes: 1 xHydration Backpack 1xHydration Water Bladder