The Asics Extreme running backpack is perfect for long distance runs.
Whether you love to take your fitness to the urban jungle or journey off-road on tough trails, this running backpack has you covered.
The super lightweight design lets you move naturally and comfortably.
Stash your drink bottles in the variety of side pockets. They give you easy access to hydration when you need it most.
Size: 6L extends to 10L