Description: 
This 5L outdoor sports backpack is specially designed for running lovers and walkers. With the ergonomic close-fitting design, this backpack won't bounce and shift and let you focus more on your outdoor fitness than its weight. It will surely contribute to your fantastic outdoor experience.

Features: 
1.5L water supplement
Can hold 1.5L water bag that applies you for water at any time

Different compartments for your different organization
Sorts of small pouches at shoulder strap for storing your cell phone, water bottle, rashguard, energy foods, money and information card, etc.

Safe night running
Reflective strips design for being known by driver and passerby

Perfectly fit your sizes
Adjustable waist strap and high elastic chest strap fits most body sizes

Soft material
Made of ultralight water-resistant and tear-resistant polyester

Wearing it at anytime anywhere
Suitable for outdoor activities like cycling, hiking and running, etc.

Parameter: 
- Capacity: 5L
- Bag size: 26 x 10 x 41cm / 10.24 x 3.94 x 16.14 inches
- Waist circumference: 65 - 135cm / 25.6 - 53.15 inches
- The maximum loading weight: 15kg