Performance and value packed into a small size is what the Cause Life Vest has to offer... Jetpilot Rex Cause Junior L50S Neo Life Vest Performance and value packed into a small size is what the Cause Life Vest Series has to offer. This junior life vest is specifically designed to give your little groms the best fit. The 3-4 & 4-6 size life jackets come with an under crotch strap to prevent the vest riding up. Jetpilot kids life vests are designed for comfort and performance in all types of watersports from wakeboarding to jet skiing. They're are built with action sports in mind so be assured they are durable and can take a beating out on the water. Australian Standards L50S Approved. Available Sizes: 3-4, 4-6, 8-10, 12-14 Available Colours: Blue, Red, Black