Speedo swimming cap - Biofuse Protective - BlackThe Speedo Biofuse Protective Cap in Black is designed for swimmers who want an optimal combination of comfort and protection. This swim cap is ideal for reducing water resistance and protecting hair from chlorine while swimming. With an ergonomic fit and durable materials, it ensures a snug and comfortable experience in the water. Advanced Biofuse technology Made with Speedo's Biofuse technology that combines soft and hard materials to create the