Porter boots are the common boots designed to be worn with a porter's protective suit.
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Porter boots are small cargo items that weighs 0.5 kilograms. Porter boots are most commonly worn by freelance deliverymen known as porters, and were designed to be worn with their protective suit. The boots have an old-fashioned construction which doesn't make them very hard-wearing when traversing, resulting them in having a tendency to break fairly easily.
Sam wore these boots during his time as a freelance porter.