This life jacket is designed to fit 99% of adults weighing over 90 lb (or 41 kg). The low-profile contoured cut is less restrictive than most one-size-fits-all life jackets, and the 3 snap buckle closures with adjustable straps provide effortless form-fitting adjustability. Vibrant high-visibility colours and 3M reflective trim make this life jacket ideal for any occasion on or around the water