Based on a standard front adjustable BCD design, the Quantum introduces many innovativeideas, not the least of which is Mares's SLS, integrated weight system and boasts exceptional sturdiness and stability. The outer panel of the cargo pockets is constructed of an elastic material, allowingfor an increased capacity of the pocket while keeping the profile very slim when not in use. Stowing a mask, a marker buoy or anything else is now child's play. Quantum is the first Mares BCD to come with the SLS integrated weight system. This system is the outcome of years of hard work. The Mares SLS system has a dedicated tunnel on the side lobes that ensures easy insertion of the weight pouch. A stiffener plate is built into the floor of the tunnel to keep the fabric stretched and reduce friction due to wrinkling when inserting the weight pouch. The tunnel is separate from the cargo pocket so as to minimize any interference between the two. The tunnel is of sufficient capacity to hold a full weight pouch and assures maximum stability. The Quantum BCD also comes with Mares camera attachment kit to mount your action camera/selfie pole easily during a dive. The Quantum has 3 options to mount this kit - high on the left lobe (which is also a good place for a knife) and low on both the left and right lobes. The latter allows for easy hooking and unhooking of the extension pole without having to bend the elbow excessively. Monoplate backpack fits single or twin tanks Swivel buckles and D-ring attachment on side lobe SLS integrated weight system Visual confirmation of proper weight pouch insertion Personalization label on weight pouches Stretch cargo pockets High flow rate inflator connection Openings on side lobes for hose storage Trim weight pockets 6 stainless steel and 3 resistant technopolymer rings