MAXIMUM STORAGE CAPACITY: Wide 10.5-inch opening with 18-Liter main compartment for various items. Includes built-in mesh pocket for valuables and exterior velvet pocket for gadgets. Convenient side mesh pockets for trekking poles and water bottles. Helmet can be carried between outer and middle pockets. EVERFUN Hydration backpack ensures ample storage space for your needs.
HIKING/CYCLING/SKIING WITH EASE -- With Ultra-Elastic 3D breathable padded back & adjustable chest, waist straps, this 2 pounds lightweight hydration backpack is comfortable and stable, perfect fits all sizes.
Premium Quality – This 3-liter hydration bladder is made of PEVA material, ensuring no odors and offering lightweight durability. You can confidently use this hydration bladder for outdoor activities or daily water storage without worrying about any health impacts from the material.
Comfortable Drinking - This water bladder features a high flow ergonomic 90° angle bite valve design that is easy to operate and provides a comfortable drinking experience. The design also includes a dust cover for extra hygiene, keeping the bite valve clean and free from dirt during outdoor activities. This design is tailored to the user's needs, aiming to deliver a more convenient and hygienic drinking experience.
HANDS FREE DRINKING -- The Hydration pack comes with an Upgraded 3-Liter water bladder & bilateral hose outlets designed to free your hands. The 3-Liter water bladder has a Large Opening for easy adding water, adding ice cube and cleaning. Ergonomic 90° angle bite valve for more comfortable use. The mouthpiece cover protects the bite valve against dirt and damage. A separate insulated bladder compartment for 6 Hours' Cooling(with ice packs) .