The Pace Cap is strong and durable.Perfect for regular swimming and training sessions.Specially designed to offer a comfortable fit.It helps create a hydrodynamic profile in the water to help you achieve a faster time or your furthest distance.Its water resistant coating also protects your hair from chlorine.Hydrodynamic - cap helps create a smooth profile in the water and reduce drag.Offers superior comfort and fit.Water resistant coating to reduce water transfer.Tear resistant material that is lightweight and durable.