Deck shoes are a popular style of footwear that were initially designed for boaters and yachtsmen. They are known for their comfortable and durable construction that make them perfect for wear in wet and slippery conditions. There are several other names for deck shoes, which are commonly used interchangeably. Some synonyms for deck shoe include boat shoe, topsider, loafer, moccasin, and slip-on. The boat shoe name was given because of its associations with boating and deck usage, while topsider refers to the non-slip soles of the shoe. Loafers, moccasins, and slip-on are less common synonyms but are sometimes used to describe the style and easy wearing of deck shoes.