These boots are lightweight deck footwear. Lighter than PVC made boots these are made with closed cell DuPont EVA foam. Being made with EVA material these boots are insulated and are able to provide more warmth than other rubber boots. These boots are able to allow for a longer less tiring day on your feet. With orthotic foot pad support, ankle bars, and 4 instep-guard bars, these boots are able to provide the most support and comfort you could ever want in a deck boot. These boots are perfect for the deck with non marking and non skid soles. These Marlin Deck Boots are a must have for any long time angler or boater. They are by far the most comfortable deck boots out there.