Under a deceptively peaceful surface of the mountain ounces in southern Japan conceals the incredible explosive power of a volcano. It was the hidden primordial power of this mountain, the SHIMANO inspired to OUNCES Hydrationspack- collection. OUNCES bags are specifically designed to support an aggressive off-Roading- driving style - without unnecessary straps or bulky volume. After installing your hydration system just drop your tools and your favorite energy bar in his pocket. Attach the Rider Fit Cross Harness. And get up in the mountains. The snug fit of SHIMANO Accu3D technology gives you the freedom to choose the way off the ground. So if you are ready to unleash your own hidden power, try the OUNCES of SHIMANO. Backpack comes WITHOUT hydration

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