BCD with innovative three-dimensional bladder and independent, disengageable harness. Frame to Back system with individually adjustable shoulder straps anchored to the backpa ck. Zip-closure pockets and Q&S quick-release weight system. Foldaway backup pocket and rear weight pockets standard (Trim Pocket). • Bladder external material: Heavy Duty 1000D PU-coated nylon • Bladder internal material: PU-coated 420 Nylon • Dump valves: 3, with pull cord • “D” rings: Five 50-mm curved + two 25-mm straight in black anodized aluminum • Dry weight (size L): 3900 gr (including hose and weight pockets).