A wide offering of wavy textures from loose tousled waves to deep waves. Wavy is the most popular extension textures for a number of reasons. Our wavy hair extensions are the perfect for versatility that is easy to style and maintain. A wide offering of wavy textures from loose tousled waves to deep waves. Wavy is the most popular extension textures for a number of reasons. Our wavy hair extensions are the perfect for versatility that is easy to style and maintain.