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