Material:Nylon

Recomend chest circumference:80-118cm / 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.
- Capacity: 15L
- Material: nylon and polyester
Super Lightweight: It is super lightweight, just 0.395kg, reducing your loading weight when you are running, you can carry more necessities you need.
Notice:
1. The two holders are fitted to 600ml water bottle
2. The 2pcs x 600ml water bottles on the pictures are included