Siskin 8When a pack that holds only water is too small and a pack that holds everything is too big, the Siskin 8 is just right. A high performing mountain biking pack that provides stability and comfort on the gnarliest of trails, the Siskin allows you to bring just what you need (and nothing more) on your ride. A direct access zip path leads to an included 2. 5 liter reservoir, and a U zip main compartment opens wide to stuff a spare tube, flat repair tools,