NX ZEN Deluxe full set features: Available with Aluminum or Stainless backplate ZEN 40 lb Wing Harness with QR - Quick Release buckles 3D Mesh shoulder straps pads 3D Mesh backplate pad NX Series Single tank adapter Tank cam bands - 2 pcs Backplate Options: Aluminum Stainless Steel Harness Sizes: Small: For divers less than 175 cm (5’-7”) tall Large: For divers 175 cm (5’-7”) and more tall Optional Modular Weight System: To truly be at one with your equipment, your weight system must be perfectly balanced, be secure and easy to configure and use. The modular weight system in the XDEEP NX series means you can confine your weight belt to history. Tailor your weight distribution for the diving you are doing. From a couple of pounds needed in the warm sun, to the extra lead needed in cold water diving, you can select the pockets that best suit your needs.