This is the Tusa Soverin A Scuba Diving BC Dive BCD with Advanced Weight Loading System Features: Repositionable D-rings and snap hooks for personal customization Advanced Weight Loading System (A.W.L.S. III) Independent Harness System RiteTite Buckle: 2-position cam strap for quick and easy adjustment Ultimate Stabilizing Harness system provides ultimate tank stability and unsurpassed buoyancy control 3 dump valves 2 zippered pockets Weight Capacity (All Sizes): 22 lbs. X-Small Height: 5&';-5&';5 Weight: 100-125 Lift Capacity: 23.6 lbf. Releasable Weight: 16 lbs. Small Height: 5&';2"-5&';7" Weight: 120-155 Lift Capacity: 29.2 lbf. Releasable Weight: 17.6 lbs. Medium Height: 5&';6"-5&';10" Weight: 155-195 Lift Capacity: 36 lbf. Releasable Weight: 17.6 lbs. Large/X-Large Height: 6&';+ Weight: 210-260 Lift Capacity: 43.8 lbf. Releasable Weight: 17.6 lbs. TUSA&';s BC0102 Soverin Alpha incorporates TUSA&';s new Advanced Weight Loading System (A.W.L.S III). The BC0102 features a new re-positionable D-ring and snap hook design for personal customization. The Soverin Alpha offers a secure comfortable fit provided by TUSA&';s Independent Harness System, enhanced lumbar and comfort back pad. The newly designed waist belt adjusts effortlessly and the weight trim pockets are sealed by heavy duty zippers. The RiteTite Buckle is a 2-position cam strap for quick and easy adjustment. While the strap is being looped through the buckle, the buckle stays in place without needing to be held. This allows for more control and stability. "