Bike Cycling Backpack Running Hydration Water Bag Knapsack Hiking Pack Mountain Climbing Waterproof Bladder Rucksack Ultralight

About backpack and water bag

This product is backpack, water bag is accessories. Backpacks don't contain water bags.

If you only need a backpack, please buy the 'bag only' option. If you need a backpack and water bag, please buy the 'bag + water' option.

Introduction of optional accessories water bag