http://tinyurl.com/lvl95wp<P>Hydrapak Tamarack Hydration PackProduct Review<P> Click on the link for more reviews<P>100oz (3L) Shape-Shift Reservoir with Plug-N-Play and Quantum Clip<P>452 cubic in. (7L) of gear storage space<P>Weight: 1.1lb (0.52kg)<P>210D Baby Rip Nylon, 210D Nylon, Hypalon Construction, 420D HD Nylon Bottom Panel<P>Measures: 18" x 9.25" x 4.25"<P>