The HTS (Harness Technical System) is a streamlined modular harness system which includes a comfort back pad with lumbar support. The HTS is easily switched from a single tank soft pack to a dual tank backplate (not included) and it's modular design allows for a more personalized unit based on your diving needs. All of the D-rings and the cam buckle are of stainless steel. The adjustable sternum strap has 2 mounting positions. The HTS also features padded shoulder straps with quick release buckles and comes standard with an adjustable padded cummerbund and a 2 inch (width) crotch strap both of which are removeable. The unit is easily switched from a single tank soft pack to a dual tank backplate system (not included). The unit is also equipped for the optional 10 pound (4.5 kg) interchangeable quick release weight pockets with stainless steel D-rings (not included).