Description:
The backpack is one of the most important things for your running. Whether you're planning a long or a short marathon, keeping your pack weight down is the key. The lighter your backpack, the more you'll enjoy the running. Now we are going to offer you such a lightweight backpack.

What You Will Get
Performance
If your number one consideration in buying a backpack is small but practical, you can stop reading - the AONIJIE Outdoors Hydration Backpack is the one.

5L Large Capacity
Its modest volume and 5L capacity allow you to fill water bag easily. Several pockets design consists of one main pocket, one secondary pocket, one zippered phone pocket is able to contain the phone within 6 inches, two front water bottle pockets and two mesh pockets on the shoulder strap. These pockets also allow you to get the things directly, extremely convenient.

Fit
Fit is one of the most important factors in a comfortable backpack, but it's also one of the toughest features to pin down until you have a pack fully loaded and on your back.
This item comes with adjustable chest strap and waist strap, fitting most body sizes. Besides, it can fit your back closely, getting rid of rocking.

Super Lightweight
It is super lightweight, just 0.335kg, reducing your loading weight when you are running, you can carry more necessities you need.

Material
With the mesh cloth, breathable and comfortable.
Made of ultralight water-resistant and tear-resistant nylon, polyester lining and breathable mesh, the product devotes itself to an effective helper, not only comfortable but thoughtful.

Reflective Strip
Reflective strip on the shoulder strap and the front of backpack, ensure your safety for night cycling.

Useful Accessories
With an emergency blanket, a thermal cosy and a survival whistle, a perfect tool for outdoor activities.

Versatility
There are three sizes of the backpack for your choice, with the different chest circumference: S: 78 - 90cm / 30.71 - 35.43 inches, M: 88 - 100cm / 34.65 - 39.37 inches, L: 98 - 108cm / 38.58 - 42.52 inches
This backpack can be used for more than just running.
It is suitable for almost all outdoor activities such as hiking, riding, camping, marathon, etc.

About Product:
- Capacity: 5L
- The maximum loading weight: 10kg
- Material: nylon and polyester

Notice:
1. The two holders are fitted to 500ml water bottle
2. Due to the manual measurement, there may be 1 - 3cm error
3. The water bottles on the pictures are not included