U.S. Coast Guard approved. Type III (infant type II).Constructed with six hinge points on the front panels for maximum flexibility. Wide arm holes allow freedom of movement. Infant vest features 1” adjustable belts and a pop-up pillow for added head support with a convenient grab strap for quick recovery. Infant and child vest include leg strap.1.5 mm neoprene fabric outerIndividually sized - also available in infant, child, youth Two 1-1/2” belt/buckle design (infant & child 1”)Zipper closurePVC foam construction