Flexible buoyant and hydrodynamic ideal for triathletes and open water swimmers looking for enhanced wetsuit flexibility and increased range of movement the speedo comp thinswim features thinner 2mm flexible neoprene throughout constructed using y39 yamamoto cell rubber the most buoyant neoprene foam available the comp thinswim helps minimise form drag by lifting your body into an excellent hydrodynamic position during your swim flexibleboasting 2mm neoprene throughout the comp thinswim