Mares Psycho Calavera Single Back Mount Set

Mares extended range (XR) bridging the gap between recreational and technical diving made for serious divers pushed to limits through intense testing total modularity: fits all Mares donuts/wings Mares XR harness heavy light: technical diving harness assembly harness webbing: 138" (350cm) continuous webbing center hole & grommet 3 x 1.6" (40mm) elastic loop retainers 59" (150cm) crotch strap harness hardware: made from corrosion resistant anodized aluminum 2 x bent D-ring 2" (50mm) 2 x straight D-ring 2" (50mm) 4 x 3-bar slides normal with Mares logo 2 x 3-bar slides toothed with Mares logo 1 x waist buckle with Mares logo crotch strap; 2 x straight D-rings 2" (50mm) 1 x 3-bar glide DIR Hogarthian configuration harness Mares XR aluminum back-plate: 0.12" (3mm) 6061 marine grade anodized aluminum alloy 13 laser cut and laser etched webbing slots eight slots specially designed for optimum positioning of harness webbing 2 upper, 2 lower slots for nylon cylinder bands, single cylinder mount without adapter two slot design: provides lateral cylinder stability without weakening strength of spine 2" (50mm) wide crotch strap slot 15 holes for accessory attachment three top holes: offer range of height adjustments for buoyancy cells/cylinders lower center slot: allows for misaligned lower band bolts 4 upper, lower & bottom perimeter holes: mounting of accessories side-mount butt plate bended lower edges Mares XR logos & laser cut shaped axis highly technical pre-shape - unparalleled versatility ultra-rugged unfold-able backbone XR donut bladder single tank: 1200D ballistic nylon & 600D polyester exterior inner air cell: radio frequency welded black polyurethane heavy duty plastic zipper & slider with elongated teeth style inflators with brass buttons 35" (89cm) low profile, round-shaped hose left position won't interfere with first stage regulator drains: 6 large grommets, 2 on top & 4 on bottom 4 heavy duty grommets positioned to allow optimum trim low profile dump valve with micro puller extremely streamlined - very stable continuous loop shape very-smart & unique design allowing cylinder to nest inside wings smooth gas shift from left to right lift: 35 lbs. (16 kg) what's in the box: 16 liters single tank donut 3mm psycho calavera alu backplate 6mm alu rings ss316 buckle standard webbing harness 2 tank straps with aluminum buckles black flat-head bolt screws