The 62X first stage is record breaking as the smallest first stage in the diving market: it measures 63 mm and weighs only 464 g (DIN). This small but powerful membrane first stage is 10% smaller and lighter than its 52X predecessor and has 30% less volume. Equipped with Auto Sealing (AST) technology that provides protection against water entering the first stage. The core of the 62X has been redesigned to generate an even better seal, making it an excellent regulator for diving in cold water. The Dual Adj second stage is made of ultra-lightweight techno-polymer and offers smooth and easy breathing at all depths. It features pneumatic assisted design (P.A.D.) and exclusive Mares patented Vortex Assisted Design (VAD). The newly developed adjustable breathing knob helps divers experience a customized breathing experience even when wearing thick gloves. True to the Mares brand, the Dual Adj 62X exceeds performance standards at 200m and uses proven technology at 400m.