MOUNTAINEERING STYLE HARNESS - A mountaineering backpack style harness keeps the rig stable and guarantees that the Hydro Lite is as comfortable out of the water as it is in it STREAMLINED AIRCELL- An integrated 30 lb lift aircell provides the ideal amount of lift for a diver, tank, and weights, while maintaining a streamlined shape DURABLE MATERIALS - Extremely rugged, the Hydro Lite aircell is designed for the long-term using a 600 denier polyester material outerbag and a 210 denier nylon laminated inner bladder DUAL TANK STRAPS- For added stability the Hydro Lite features dual tank straps, as well as a tank height adjustment strap INCLUDES - An integrated lumbar pad, hip pads, and shoulder pads are included for additional comfort. Available in five harness sizes S-XXL with quick adjustability for in-between sizes