RX Adaptor for Podium/Alliant/Tsali/Rail Designed with precision to fit the Podium, Alliant, Tsali, and Rail models, the RX Adaptor effortlessly transforms your Tifosi Optics sunglasses into comfortable and functional prescription eyewear. With its customizable design and durable construction, you can enjoy the benefits of clear vision and stylish protection for all your outdoor activities.