Adjustable sent restricted by the air chamber , improving grip in the tank and improving comfort. Thanks to its anatomical renovated perfill , which are much easier to relax and make the tank more comfortable in the shoulder . BCD has the Support System Lock Type Weight integrated plan . Thanks very effective and comfortable flat profile and its extremely easy and intuitive disposition of the pockets. Finally, the control has a detent anatomical hose , so all inflation and operations ación Defla easy and intuitive. Features: adjustable straps Flat System System Lock Aid integrated weight . Superlight Backpack rigid handle . Next generation anatomical detent infl ator hose . Sundries expandable pocket with zipper . Attach back quickly . 3 purge and overpressure valves. Specifications: 420 Denarius nylon bag . Weight: 2 kg.