Rely on this redesigned 27-liter capacity pack on high-alpine pushes when lightweight performance means the difference between success and failure. Our ultimate summit-day pack is crafted of high-tenacity nylon and features a foam frame that converts to a bivy pad in a pinch. The ultimate lightweight and versatile summit pack Removable frame sheet Tool keepers with covered tips Detachable, flip-forward lid with lid pocket Reflective hits for 360 degrees of reflectivity Lightweight and compressible design lets you carry the pack within another backpack Flap under lid protects the pack's contents when the lid is removed Hydration sleeve