Tempo is the lightest weight active wear in the Bliz product line, making it ideal for the customers who want to protect their eyes without feeling like they are wearing any eyewear. Its a great choice when crisp, clear vision is a requirement. Tempo is equipped with Hydro Lens Tech. The high optical quality ensures clear vision in all weather conditions. The Tempo comes with a variety of interchangeable parts to provide a customized look and feel for any activity. Tempo is the ultimate product for fashion and functionality.