Basic Tech is a B.C.D. designed for Advanced Divers and all levels of Technical diving. Basic Tech consists of a stainless steel rigid and back plate with crotch straps, pockets for second mask and tools. Possibility to choose among single bladders of 30l(66lb) or a double bladder of 30+30l(66+66lb) . The bladder is in PU with six double valves (in the double bladder model). The external bag and the pockets are in Cordura 1500. Stainless steel D-Ring, Single mounting system 12 surgical tubes are strapped around the bladder, in order to correct the balancing, reduce water resistance and speed up deflation