Cressi R1 Package The Cressi R1 is a rugged BCD with an integrated re-movable weight system with Cressi's new flat Lock Aid System. Made of 500-denier Cardura Color lock nylon material. Comes with a rigid back pack that is padded and has carry handle. 3 release valves for buoyancy adjustment in any position. The Edge EXP regulator features a Balanced Diaphragm first stage paired with a Balanced adjustable second stage with a dive and pre-dive selector. The Sea Elite SX30 Octopus is extremely lightweight yet rugged. Be confident that all equipment is fully assembled by factory trained certified scuba divers.