Nathan 1,5 L hydration bladder

The Hydration Bladder 1.5L is a water bag that is equipped with a high-flow bite valve. The water bag is easy to refill thanks to the large opening. The hydration bladder is designed for all Nathan backpacks that are made for 1.5L hydration bladders.

lightweight
Easy to fill and clean
BPA free
Detachable hose
High-Flow anti-leak bite valve
Compatible with all 1.5L Nathan backpacks
The water bag shrinks when you drink against the splashing of water
Easy to fold and store when empty