【Material & Size】- This backpack is made of 600D Polyester（water resistant）,YKK Zippers, YKK buckles.Weight 0.57KG/1.26 lbs,Capacity is 7.9L.
【Structures】- Zipper closure.This water backpack have two compartment and a front pocket,The main compartment has a separate water bag compartment for the hydration bladder(water bladder is not included)，Even when the water bladder was filled, you are able to store your items in this tartical hydration backapck, like food, headphone,maps, pens, sunscreen, etc.
【Comfortable & Safty Design】 - Adjustable shoulder straps designed according to the principle of human body engineering, will be fairly comfortable and reduce shoulder pressure when you carry it.And the breathable & air flow system at the back of the backpack can always maintain your back cool and dry.The reflective strip at the bottom of the pack is used to guarantee safe cycling at night.
【Personality】-With patch area and molle webbing,can attach your favorite patches or accessories on it,which can make your backpack unique and hold more your needs.
【Multi-Purpose】- This backpack is perfect for cycling, hiking, climbing, training, adventure, etc, will be a terrific companion for your all day-long or overnight hydration needs.