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Wet suits are chosen on the basis of thickness, the quality of the seal, the type of neoprene and the quality of the knee pad. Buy a wet suit that is appropriate for different types of scuba diving with tips from a scuba instructor in this free video on scuba diving. Expert: Gregg Eddy Contact: www.flatironsscuba.com Bio: Gregg Eddy is a certified scuba instructor who has been teaching scuba classes for over 10 years. Filmmaker: Clay Roberts