• Made of quality polyester material, soft and breathable, durable to use
• The backpack is designed with multiple pockets for your phone, water bottle, and other supplies
• The large main water bag compartment is large enough to store your essential water (the water bag is not included)
• There is a net pocket on the front for carrying your helmet
• Lightweight and suitable size, no burden on the body
• Suitable for outdoor running, cycling, camping, mountaineering, etc

Specification:

• Material: polyester 
• Size: 46*20cm