* Easy convenient filling with external access to the OMEGA™ reservoir * External zip pocket for keys and essentials * Secure Bungee Cinch System™ holds extra clothing * Low profile design keeps pack stable and doesn’t interfere with helmet * Breathable mesh harness keeps you cool * Capacity: 70 oz. (2 liter) * Weight: Filled 5.40 lbs., empty 1.00 lbs. * Dimensions” 17” x 7.5” x 2”