A roomy all-mountain hydration pack created for women, the Siouxon (Sue-sonn) AM is made for a full day of riding. It offers ample room to pack and organize your riding essentials, 3 liters of fast-flowing hydration with the new, taste-free, Big Zip™ EVO reservoir, the airy FloatAir™ back panel to keep you cool and ventilated. It offers a stable, tailored women's fit to keep you comfortable all day long.