ONETOALL 18L Hydration Backpack with 2L Water Bladder, Insulated Cycling Bike Backpack, Lightweight Water Pack for Hiking Running Skiing Commuting - LK2005-1

• 【Durable Strap System & Lightweight】When fully loaded, the water backpack is supported by its robust strap system that is reinforced to keep everything inside the backpack secure and safe along the way. Also, made of waterproof and anti-scratch Nylon fabric, this hydration backpack is very lightweight. 【Included Healthy & Safe Water Bladder】Whether you are heading out for a hike or bicycle ride, the included hydration pack will keep you well hydrated during your excursion. The 2-Liters Hydration Bladder is 100% BPA free and after thousands of tests, our water bladder will not leak either. 【Multi-Functional & Comfortable】This mountain bike backpack can easily store a bike helmet. Practical for daily running exercise, biking, or short-distance hiking. Besides, with breathable padded back & adjustable chest, waist straps, this hydration backpack is comfortable and stable, perfect fits almost all sizes. 【Insulated Bladder Compartment & Multiple Storage Options】This hiking backpack with water bladder with the special thermal insulated bladder compartment which can help keep your liquids cool for up to 4 hours to guarantee that you can freely drink ice water. The storage space of this cycling backpack is relatively large, and after placing the water bladder, there is still plenty of room for your essentials. 【Better After-Sale-Service】ONETOALL hiking hydration backpack quality guaranteed. If you have any problems, please feel free to reach out to us, we will reply within 24hrs and help you solve your problems.