Breathable, cool and comfortable premium material for maximum wave-making potential. Stays tight all night thanks to the fitted design developed over the years. Promotes healthy, even waves with regular use! Wavebuilder Wave Caps are specially designed for those who are tired of wearing the same style for years. 360° waves, 720° waves, it doesn't matter, we have proven the results of our "Wave Kings". For more information, visit our website forum.