LIGHTWEIGHT — The hydration pack is only 0.73lb/333.5g. Made of waterproof and anti-scratch oxford fabric. Durable and portable daypack. Enough to get you through a day of hiking, cycling, running or biking
FREE WATER BLADDER — Purchase Zavothy Camelback Bag and get one 2L water reservoir for free. The bladder is BPA-free and anti-leak guaranteed. Stay hydrated in any time without taking an extra water bottle. Convenient and frees up your hands
LESS PRESSURE TO BACK AND SHOULDER — The backside of the hiking backpack is designed with breathable Y shape soft air mesh. Combining with length-adjustable shoulder gird. Minimize pressure, less tiredness, comfier
MULTI-FUNCTIONAL — The mountain bike backpack can easily store a bike helmet. Besides, it is designed with an individual insulation layer for keeping your water cool or lunch box warm for 4 hrs. Practical for daily running exercise, biking, or short-distance hiking
100% FULL REFUND GUARANTEE — Absolutely no risk. If you are not satisfied for any reason, money-back guarantee! Welcome to contact us if you have any issues or are unhappy with our hydration backpacks (NO RETURN REQUIRED if it is a defective item), we will help you solve it out within 24 hours.