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When you go into the water wearing a wet suit, the wet suit allows a thin layer of water between the person’s body and the wet suit. The body then heats the water and this allows the heat to be retained and keeps you warm. Styles will range from: Full body suits, referred to as a JUMP SUIT or a 1 Piece Wet suit, Two part suits, top and bottoms Shorties which are short arms and legs for warmer water. The thicker the wet suit, the better it retains the heat, and the harder it is to move.
A dry suit is just what it says it is. This suit actually keeps you dry underneath the suit while you are in cold water. This is a close fitting double layered suit that keeps a warm layer of air between you and the suit. It has waterproof seals around the neck, wrists, and face. This keeps you very dry and warm. Air is introduced into the suit via a front power inflator and the suit has a shoulder dump/over pressure relief valve to let air out.