The Onyx Outdoor Adults' Mesh Classic Sport Flotation Vest features mesh shoulders and back that maximize airflow, while adjustable belts provide a great fit and keep the vest from riding up. The vest works best in calm, inland water where there is a good chance of a fast rescue. Large armholes give freedom of movement, and a roomy storage pocket allows you to keep your gear safe. D-ring attachment. For adults who weigh 90 lb. or more. Blue.