500D outer fabric, burning or melting <6 seconds; 400D nylon lining, bottom 270GSM polyester mesh, reflective tape; 2 all-through large X-shaped ≥ 3.8CM reinforced nylon webbing; ≥8CM wide nylon webbing and 3 horizontal buckles with stepless adjustment device, closed with ITW plastic-steel quick-release buckle; 2 detachable large-capacity pockets on the front side, closed by zipper; Reflective tape on the pocket and built-in D-shaped hanging ring; There are 2 4-hole plastic hanging blocks on the front side, equipped with a MOLLE tactical equipment loading system, and the tensile strength is > 1750N; The tactical buoyancy system on both sides of the waist is detachable, and the buoyancy can be increased or decreased. The standard buoyancy device is 2 pieces, and the design size is ≥18.5×8.5×5CM; 2 reflective channels on the back of the quick release rescue belt; The life jacket is suitable for bust size 30~58 inches, buoyancy ≥150N; Three manual leg straps are attached, 2 at the front and 1 at the rear, and they are connected to each other before leaving the factory for leggings; Accessories: sound pressure level ≥ 100dB orange life-saving whistle 1; Aluminum safety hook, easy to hook up the water rescue rope;