The ONYX outdoor mesh classic sport vest is available in sizes M, L, XL, 2XL, 3XL or 4XL. A comfortable vest providing fit and function, it has mesh shoulders and back for maximum air flow, with adjustable belts to keep vest from riding up. The lightweight design is made with a durable polyester outer shell and poly-twill inner shell. A D-ring has been added for attaching small accessories. This vest is filled with durable flotation foam, keeping your comfort in mind.