Jobe Nylon Life Vest Kids The Jobe Dual unisex vest is a 50N ISO certified buoyancy aid. The vest is made out of strong and lightweight nylon on the outside and EPE foam on the inside. The soft nylon sides and the adjustable webbing straps make the vest suitable to almost all body sizes and shapes. The D-rings make sure you can safely use this vest while coasting on your boat or PWC. Ripstop nylon fabric for a luxurious feel. 50N ISO-certified (buoyancy aid) Always a perfect fit: more comfort and safety Adjustable webbing strap: 1,5" | 3,8cm (4x) Comfortable due to nylon sides Safety D-ring attachment to attach an emergency cord Soft pvc foam on front & sides, lightweight EPE-foam on back Strong & lightweight nylon fabric Unisex fit Water drainage system Water drainage system Strong YKK Buckles