****FOR PURCHASE BY ACTIVE DUTY MILITARY OR MUNICIPALITIES ONLY**** Designed for surface rescue swimmers. Single compact unit combines a harness and inflatable life preserver. Harness is made of Mil-Spec webbing with stainless steel and high-strength plastic hardware for corrosion resistance. Includes a quick-release stainless steel snap shackle with beaded lanyard, allowing the swimmer to release the safety line if the need arises. Quick donning design with front zipper closure, secured by LSC’s QRSB Buckle. Waist adjustment (30″ to 48″) is accomplished with two front located adjustors. Flotation cell is enclosed entirely in a heavyweight, puncture and abrasion resistant nylon case that requires no repacking after use; simply deflate. Vest provides variable buoyancy up to 35 lbs and can be inflated manually with CO2 or orally with air. Approved for US Coast Guard Surface Swimmers.