Footwear is used to help protect ones foot in certain working environments. Many types of boots are used based on the conditions of use. Some boots can be worn over the foot while others can be worn over a shoe. Some boots come in plain toe while others come with a steel toe, steel plate, or even a steel metatarsal.Rubber boots are more commonly used in colder weather climates while PVC boots are used n warmer climates. chest wader boot are used in environments when water can come up over your waist and still keep your body dry. Neoprene boots are used to help protect against certain chemicals and oils. Most boots come in sizes 6 - 18 depending what type of boots is needed.